Table 4.

Percentage (95% CI) of sexually active 17-24s who report/experienced outcomes of interest by sexual competence at first intercourse and reported sex before 16. Results of logistic regression analyses assessing association with: reported diagnosis of an STI ever, testing positive for HPV at interview, and low sexual function in year prior to interview (Men)

MEN
	Percentage with outcome (95% CI)	N (unweighted/ weighted)	Crude OR	95% CI	p-value	AOR1	95% CI	p-value	AOR2	95% CI	p-value
SELF-REPORTED STI (EVER)
Sexual competence at first intercourse
Sexually competent	7.6 (5.6, 10.3)	693/510	1			1			1
Not sexually competent	10.5 (7.9, 13.8)	519/391	1.38	0.86,2.21	0.186	1.19	0.75,1.89	0.460	1.14	0.71,1.84	0.591
Age at first intercourse
≥16	6.4 (4.7, 8.6)	749/573	1			1			1
<16	13.4 (10.2, 17.4)	468/330	2.45	1.55,3.89	<0.001	2.38	1.52,3.73	<0.001	1.27	0.76,2.12	0.365
URINE-TEST HPV POSITIVE
Sexual competence at first intercourse
Sexually competent	13.1 (10.0, 17.1)	390/284	1			1			1
Not sexually competent	21.1 (16.3, 26.9)	315/243	1.76	1.11,2.79	0.017	1.61	1.00,2.61	0.050	1.82	1.08,3.07	0.026
Age at first intercourse
≥16	12.5 (9.3, 16.5)	412/329	1			1			1
<16	23.6 (18.4, 29.7)	297/201	2.01	1.25,3.23	0.004	1.88	1.16,3.05	0.011	1.15	0.70,1.89	0.591
LOW SEXUAL FUNCTION
Sexual competence at first intercourse
Sexually competent	12.1 (9.6,15.2)	662/488	1			1			1
Not sexually competent	17.1 (13.7,21.0)	495/373	1.45	0.99,2.11	0.055	1.48	1.01,2.17	0.044	1.52	1.04,2.22	0.031
Age at first intercourse
≥16	14.6 (11.9,17.7)	707/545	1			1			1
<16	14.2 (11.1,18.0)	455/319	0.91	0.63,1.33	0.635	0.86	0.58,1.26	0.429	0.84	0.55,1.28	0.419

AOR1: Mutually adjusted for sexual competence and sex before 16.

AOR2: Mutually adjusted for sexual competence and sex before 16, and: IMD quintile of residence at interview, educational level of respondent, family structure at age 14, ethnicity, ease discussing sexual matters with their parent(s) at age 14, their main source of sex education, duration sexually active.