Changes in and factors associated with frequency of sex

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BMJ first published as 10 1136 bmj l1525 on 7 May 2019 Downloaded from http www bmj com on 11 May 2019 by David Thomas Mary Healy Protected by copyright. of Sexual Attitudes and Lifestyles Natsal 1 Natsal 2 study website www natsal ac uk Participants who. and Natsal 3 to measure changes in frequency reported having had a paid job of at least 10 hours a. actual and preferred of sex over time and in different week in the past 10 years were asked details of this. sociodemographic groups and to examine factors occupation from which they were categorised into. associated with sexual frequency higher managerial administrative and professional. occupations intermediate and routine and manual, Methods occupations Participants who did not have a paid job. Participants and procedures of at least 10 hours a week in the past 10 years were. Natsal 1 Natsal 2 and Natsal 3 are stratified coded as missing from this variable The derivation. probability sample surveys of men and women of socioeconomic groups based on occupation was. resident in Britain completed in 1991 2001 and not possible with Natsal 1 data so this variable was. 2012 see supplementary table In Natsal 1 18 876 measured from only Natsal 2 and Natsal 3. people aged 16 59 years were interviewed 13 765, of whom were aged 16 44 17 Natsal 2 comprised Statistical analysis. 11 161 participants aged 16 44 years 18 and Natsal 3 We analysed data from men and women aged 16. comprised 15 162 participants aged 16 74 years 9902 44 years the core age group that was included in all. of whom were aged 16 44 19 20 In all three surveys three Natsals using Stata version 15 1 accounting. stratified random probability sampling was used to for stratification clustering and weighting of the. select households from which one eligible individual sample Data were weighted to account for differential. was randomly selected and invited to participate The probabilities of selection to the survey and for non. overall response rate was 66 8 for Natsal 1 65 4 response bias by age sex and region. for Natsal 2 and 57 7 for Natsal 3 We present descriptive analyses percentages. Similar measures and procedures were used for and 95 confidence intervals of trends across the. all three surveys and the variables compared in three Natsals in actual and preferred frequency of. this study were derived from identically worded sex by age group marital status and social class. questions In Natsal 1 pen and paper were used employment status separately for men and women. for the face to face and self completed interviews We examined frequency of sex using several different. and for the self completed booklet of more sensitive measures median number of occasions of sex in the. questions In Natsal 2 and Natsal 3 all participants past month the proportion of participants reporting. were interviewed using computer assisted face to no sex in the past month the proportion reporting. face and self interviews Full details of the methods having sex 10 or more times in the past month and. and demographic characteristics of participants are the proportion reporting that they would like to have. reported elsewhere 21 sex more often We calculated odds ratios for each. measure of frequency comparing each Natsal survey to. Measures the previous one ie Natsal 2 v Natsal 1 and Natsal 3. Our measures of sexual frequency were derived from v Natsal 2 We tested for interactions between Natsal. questions in the computer assisted self interview survey measures and sociodemographic variables to. component of Natsal Participants who reported examine whether the change in frequency of sex over. having had vaginal anal or oral sex in the past four time varied according to age group marital status and. weeks were asked On how many occasions in the last social class. four weeks have you had sex with a woman man Using data from Natsal 3 only we examined the. with the clarification This means vaginal intercourse factors associated with having sex four or more times. oral sex anal sex The answers to each question were in the past month that is more than the median. totalled so that our measures of frequency include number of occasions of sex for Natsal 3 identified. vaginal oral and anal sex occasions with opposite in the descriptive analyses using logistic regression. and same sex partners Those who reported not having analyses adjusted for age. had sex in the past four weeks and those reporting. never having had sex were coded as 0 Patient and public involvement statement. Preferred frequency of sex was derived from answers Members of the public were involved in the study at the. to the question Thinking of the way things are for pilot stage and as participants. you these days which one of these would you really. prefer which was asked of those reporting having Results. had at least one opposite or same sex partner in the Median number of occasions of sex in the past. past year The response options were to have sex much month was four in Natsal 1 and Natsal 2 and three. more often than I do now to have sex a bit more often in Natsal 3 among women and three in all surveys. it is about right as it is to have sex a little less often to among men fig 1 The proportion reporting no sex in. have sex much less often than I do now This question the past month fell from 28 5 in Natsal 1 to 23 0. was not asked in Natsal 1 so comparisons were only in Natsal 2 among women and from 30 9 to 26 0. possible between Natsal 2 and Natsal 3 among men then increased significantly in Natsal 3 to. Independent variables were derived from questions 29 3 among women and 29 2 among men table 1. asked in the Natsal questionnaire available from the table 2 The proportion reporting sex 10 or more times. 2 doi 10 1136 bmj l1525 BMJ 2019 365 l1525 the bmj. BMJ first published as 10 1136 bmj l1525 on 7 May 2019 Downloaded from http www bmj com on 11 May 2019 by David Thomas Mary Healy Protected by copyright. Natsal 1 Natsal 2 Natsal 3,Frequency of sex in a week. 16 24 25 34 35 44 16 24 25 34 35 44,Age group excludes outside values. Frequency of sex in a week,Married or Divorced Married or Divorced.
cohabiting widowed or single cohabiting widowed or single. Marital status excludes outside values,Frequency of sex in a week. Higher Intermediate Routine Higher Intermediate Routine. and manual and manual,Social position excludes outside values. Fig 1 Median and interquartile range for frequency of sex in past four weeks by age marital status and. socioeconomic position, in the past month increased from 18 4 in Natsal 1 of reporting occurrence of sex 10 or more times in the. to 20 6 in Natsal 2 among women and from 19 9 past month were seen across all age groups between. to 20 2 among men then fell in Natsal 3 to 13 2 Natsal 2 and Natsal 3 Among 35 44 year olds the. among women and 14 4 among men odds of doing so were halved among women and. Declines in frequency of sexual activity between decreased markedly among men table 1 table 2. Natsal 2 and Natsal 3 were evident across all age Frequency of sexual activity was higher among. groups for women and for all but 16 24 year olds for participants who were currently married or cohabiting. men They were largest among those aged 25 and over across all three surveys but the decline over time was. Between these surveys median number of occasions of significantly greater in this group table 1 table 2. sex in the past month fell from four to two among 35 Among married or cohabiting men and women sexual. 44 year old women and from four to three among men inactivity in the past month was significantly higher in. in this age group Prevalence of sexual inactivity in Natsal 3 than Natsal 2 whereas the odds of reporting. the past month was highest among participants aged frequency of 10 or more times a month were roughly. under 25 in both surveys but increased odds of sexual halved Declines of this magnitude between Natsal 2. inactivity between Natsal 2 and Natsal 3 were higher and Natsal 3 were not seen among the currently single. among those aged 25 44 Sizeable declines in the odds P for interaction 0 001 so that the difference by. the bmj BMJ 2019 365 l1525 doi 10 1136 bmj l1525 3. BMJ first published as 10 1136 bmj l1525 on 7 May 2019 Downloaded from http www bmj com on 11 May 2019 by David Thomas Mary Healy Protected by copyright. Table 1 Actual and preferred frequency of sex women aged 16 44. Natsal 1 Natsal 2 Natsal 3, 95 CI 95 CI OR 2 v 1 95 CI OR 3 v 2 P for interaction. No sex last month, Overall 28 5 27 2 to 29 7 23 0 21 9 to 24 2 0 75 0 69 to 0 82 29 3 27 9 to 30 7 1 38 1 26 to 1 52.
16 24 42 3 39 7 to 44 8 35 2 32 3 to 38 1 0 74 0 63 to 0 87 38 8 36 5 to 41 2 1 17 1 00 to 1 38 0 005. 25 34 22 3 20 6 to 24 0 16 9 15 4 to 18 4 0 71 0 61 to 0 82 23 2 21 5 to 25 1 1 49 1 29 to 1 73. 35 44 22 5 20 8 to 24 4 20 3 18 7 to 21 9 0 87 0 75 to 1 01 27 2 24 6 to 29 9 1 47 1 24 to 1 74. Marital status, Married cohabiting 13 2 12 1 to 14 3 9 2 8 3 to 10 3 0 67 0 58 to 0 78 15 1 13 5 to 16 8 1 74 1 46 to 2 08 0 001. Single divorced widowed 56 2 54 0 to 58 3 45 6 43 5 to 47 9 0 66 0 58 to 0 74 46 3 44 4 to 48 2 1 03 0 91 to 1 15. Social position, Professional managerial 19 2 17 0 to 21 7 23 7 20 7 to 27 0 1 30 1 03 to 1 64 0 27. Intermediate 19 8 18 1 to 21 6 24 0 21 6 to 26 7 1 28 1 07 to 1 53. Manual routine 19 1 17 5 to 20 8 26 5 24 4 to 28 6 1 53 1 31 to 1 78. Sex 10 or more times in last month, Overall 18 4 17 4 to 19 4 20 6 19 5 to 21 7 1 15 1 05 to 1 26 13 2 12 2 to 14 2 0 59 0 52 to 0 66. 16 24 19 4 17 4 to 21 5 25 0 22 5 to 27 6 1 38 1 14 to 1 68 17 0 15 2 to 18 8 0 61 0 51 to 0 74 0 02. 25 34 19 7 18 3 to 21 2 21 7 20 0 to 23 4 1 13 0 98 to 1 29 14 5 12 9 to 16 3 0 62 0 52 to 0 73. 35 44 15 9 14 5 to 17 4 16 4 14 7 to 18 1 1 03 0 87 to 1 22 8 7 7 0 to 10 7 0 49 0 38 to 0 63. Marital status, Married cohabiting 21 3 20 2 to 22 6 22 7 21 2 to 24 2 1 08 0 97 to 1 21 13 0 11 6 to 14 5 0 51 0 44 to 0 59 0 001. Single divorced widowed 13 0 11 5 to 14 6 17 1 15 5 to 19 0 1 39 1 16 to 1 67 13 4 12 1 to 14 9 0 75 0 63 to 0 89. Social position, Professional managerial 19 3 16 7 to 22 2 12 2 9 9 to 14 9 0 58 0 43 to 0 78 0 96.
Intermediate 19 9 17 9 to 22 0 12 9 11 0 to 15 1 0 60 0 48 to 0 75. Manual routine 23 2 21 4 to 25 2 14 8 13 2 to 16 6 0 58 0 48 to 0 68. Would prefer sex more often, Overall 39 1 37 7 to 40 6 50 6 49 0 to 52 3 1 55 1 42 to 1 69. 16 24 34 9 31 8 to 38 1 45 5 42 8 to 48 2 1 59 1 35 to 1 87 0 56. 25 34 43 7 41 5 to 45 9 53 7 51 5 to 56 0 1 47 1 29 to 1 66. 35 44 37 2 34 8 to 39 6 51 3 48 0 to 54 6 1 63 1 38 to 1 91. Marital status, Married cohabiting 38 0 36 2 to 39 9 51 0 48 7 to 53 3 1 68 1 49 to 1 89 0 02. Single divorced widowed 41 6 39 0 to 44 1 49 9 47 6 to 52 2 1 35 1 19 to 1 54. Social position, Professional managerial 47 3 43 9 to 50 8 57 1 53 2 to 61 0 1 44 1 17 to 1 77 0 25. Intermediate 40 7 38 1 to 43 3 56 4 53 1 to 59 7 1 77 1 50 to 2 10. Manual routine 37 0 34 7 to 39 4 48 6 46 1 to 51 2 1 53 1 33 to 1 76. all participants in age group irrespective of sexual experience in Natsal 3 this was asked only to those reporting at least one sexual partner in past year so same restriction made for Natsal 2. OR odds ratio For denominators see supplementary material. relationship status narrowed No significant variation The proportion of participants expressing a. was seen in any of the measures of sexual frequency preference for more frequent sex increased significantly. by occupation between Natsal 2 39 1 of women and 51 2 of men. Figure 2 in which we distinguish between and Natsal 3 50 6 of women and 64 3 of men. participants who have never had sex and those who and was higher among men than women The increase. have ever had sex but not in the past four weeks and was seen across all age groups and both marital status. display alongside frequency in the past four weeks categories table 1 table 2 with evidence of a steeper. indicates that changes in sexual inactivity between increase among those married or cohabiting P values. surveys have contributed little to the observed decline for interaction 0 02 and 0 001. in sexual frequency The proportion of participants Table 3 shows age adjusted associations between. with no sexual experience fell between Natsal 1 odds of having sex four or more times in the past month. and Natsal 2 but remained relatively stable between and selected variables in Natsal 3 Occurrence of sex at. Natsal 2 and Natsal 3 among both married and single least once a week that is four or more times in the past. participants Fig 2 indicates that the trend towards month was most strongly associated with being married. lower sexual frequency overall is largely attributable to or cohabiting P 0 001 being in work or training. the decline in frequency among sexually active married P 0 001 working longer rather than shorter hours. or cohabiting participants The decline among those P 0 001 and with not having depression P 0 001. currently single is comparatively modest aside from a Age adjusted odds for sex at least once a week decreased. reduction in the proportion having sex at frequencies significantly with poorer health status and with. greater than 10 times in the past four weeks between increasing disability and increased with earnings more. Natsal 2 and Natsal 3 markedly among men test for trend men P 0 001. 4 doi 10 1136 bmj l1525 BMJ 2019 365 l1525 the bmj. BMJ first published as 10 1136 bmj l1525 on 7 May 2019 Downloaded from http www bmj com on 11 May 2019 by David Thomas Mary Healy Protected by copyright.

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