Logistic regression examining predictors of lack of sexual competence at first sex, results adjusted for all other variables in table column (Men)
| Outcome: not sexually competent at first intercourse | Model 1 | Model 2 | ||||
| AOR | 95% CI | P value | AOR | 95% CI | P value | |
| IMD quintile | ||||||
| 1: Least deprived | 1 | 0.003 | 1 | 0.006 | ||
| 2 | 1.58 | 1.00 to 2.48 | 1.49 | 0.95 to 2.34 | ||
| 3 | 1.64 | 1.03 to 2.62 | 1.55 | 0.97 to 2.47 | ||
| 4 | 2.43 | 1.51 to 3.92 | 2.29 | 1.44 to 3.63 | ||
| 5: Most deprived | 2.21 | 1.40 to 3.48 | 2.03 | 1.28 to 3.22 | ||
| Education level of respondent | ||||||
| Studying for/attained further academic qualifications | 1 | 0.002 | 1 | 0.047 | ||
| No academic qualifications | 2.36 | 1.32 to 4.22 | 2.27 | 1.25 to 4.13 | ||
| Academic qualifications typically gained at age 16 years | 1.54 | 1.12 to 2.12 | 1.49 | 1.08 to 2.05 | ||
| Ethnic group | ||||||
| White | 1 | 0.136 | 1 | 0.130 | ||
| Mixed | 2.84 | 1.18 to 6.84 | 2.88 | 1.12 to 7.41 | ||
| Asian | 1.49 | 0.73 to 3.05 | 1.71 | 0.82 to 3.58 | ||
| Black | 0.75 | 0.31 to 1.82 | 0.75 | 0.30 to 1.87 | ||
| Chinese and ’other' | 0.84 | 0.13 to 5.46 | 0.85 | 0.10 to 7.24 | ||
| Family structure | ||||||
| Both parents | 1 | 0.957 | 1 | |||
| One/neither parent | 0.99 | 0.72 to 1.36 | 1.01 | 0.74 to 1.39 | 0.935 | |
| Main source of information about sexual matters | ||||||
| Lessons at school | 1 | 0.646 | 1 | 0.754 | ||
| Mother or father | 1.29 | 0.69 to 2.42 | 1.22 | 0.67 to 2.22 | ||
| Friends | 1.00 | 0.70 to 1.43 | 0.95 | 0.66 to 1.37 | ||
| Other | 0.88 | 0.62 to 1.25 | 0.89 | 0.62 to 1.27 | ||
| Ease discussing sex with parents at age 14 years | ||||||
| Easy with one/both | 1 | 0.272 | 1 | 0.197 | ||
| Difficult | 1.65 | 0.87 to 3.13 | 1.66 | 0.87 to 3.17 | ||
| Didn’t discuss with either | 0.99 | 0.69 to 1.43 | 0.96 | 0.67 to 1.38 | ||
| Varied depending on topic | 0.72 | 0.31 to 1.70 | 0.64 | 0.28 to 1.46 | ||
| Sex before age 16 | ||||||
| No | 1 | <0.001 | 1 | 0.001 | ||
| Yes | 1.72 | 1.27 to 2.34 | 1.71 | 1.24 to 2.36 | ||
| Relationship with first sexual partner | ||||||
| Steady relationship | 1 | <0.001 | ||||
| Just/recently met for first time | 2.42 | 1.57 to 3.73 | ||||
| Known each other a while to not in steady relationship | 1.15 | 0.81 to 1.62 | ||||
| Used to be in steady relationship | 1.56 | 0.66 to 3.70 | ||||
| Married/living together | – | – | – | |||
| Partner’s first time too | ||||||
| Yes to partner’s first time | 1 | 0.0639 | ||||
| Think it was first time | 1.75 | 0.87 to 3.53 | ||||
| Think it was not first time | 2.12 | 1.15 to 3.91 | ||||
| No to not first time | 1.19 | 0.84 to 1.67 | ||||
| Age difference between respondent and first sex partner | ||||||
| Same age | 1 | 0.4316 | ||||
| Partner younger than respondent | 0.94 | 0.63 to 1.41 | ||||
| Respondent younger than partner | 1.25 | 0.86 to 1.80 | ||||
| N unweighted | 1092 | 1092 | ||||
| N weighted | 817 | 817 | ||||
AOR, adjusted odds ratio; CI, confidence interval; IMD, Index of Multiple Deprivation.