Skip to main content
. 2007 Jan;61(1):20–27. doi: 10.1136/jech.2005.040865

Table 4 Risk factors and their association with pregnancy among partners of young men in Randomised Intervention of Pupil Peer‐Led sex Education study data.

Association with pregnancy among partners of young men
Prevalence of risk factor, n (%) Number pregnant at follow‐up 2, n (%) Unadjusted OR (95% CI) Adjusted OR (95% CI)
Socioeconomic status
Housing
 Privately owned 1727 (75.1) 37 (2.14) 1 1
 Non‐privately owned 572 (24.9) 18 (3.15) 1.51 (0.82 to 2.77) 1.05 (0.32 to 3.40)
Family structure/relationships
Mothers age at birth (years)
 ⩾20 1980 (94.6) 45 (2.27) 1 1
 <20 114 (5.4) 7 (6.14) 2.76 (0.99 to 7.68) 0.47 (0.07 to 3.01)
Communication with mother/female guardian (baseline)
 Difficult 1380 (52.5) 34 (2.46) 1 1
 Good 1248 (47.5) 32 (2.56) 0.98 (0.43 to 2.25) 0.93 (0.31 to 2.81)
Communication with mother/female guardian (follow‐up 1)
 Difficult 1495 (57.4) 32 (2.14) 1 1
 Good 1108 (42.6) 28 (2.53) 1.20 (0.61 to 2.35) 1.21 (0.47 to 3.13)
Communication with father/male guardian (baseline)
 Difficult 1373 (53.3) 32 (2.33) 1 1
 Good 1202 (46.7) 31 (2.58) 0.90 (0.46 to 1.75) 0.54 (0.24 to 1.21)
Communication with father/male guardian (follow‐up 1)
 Difficult 1452 (56.9) 30 (2.07) 1 1
 Good 1101 (43.1) 30 (2.72) 1.38 (0.67 to 2.84) 2.07 (0.91 to 4.68)
Expectations of the future/perceptions of peers
Lack of expectation of education by age 20 years (baseline)
 No 1753 (66.5) 47 (2.68) 1 1
 Unsure 779 (29.5) 17 (2.18) 0.88 (0.53 to 1.48) 0.62 (0.27 to 1.43)
 Yes 105 (4.0) 3 (2.86) 1.06 (0.31 to 3.61) 1.24 (0.23 to 6.77)
Lack of expectation of education by age 20 years (follow‐up 1) NA
 No 1760 (66.4) 40 (2.27) 1
 Unsure 794 (30.0) 20 (2.52) 1.22 (0.71 to 2.10)
 Yes 95 (3.6) 4 (4.21) 2.06 (0.68 to 6.21)
Positive expectation of being a parent by age 20 years (baseline) *
 No 1267 (47.5) 23 (1.82) 1 1
 Unsure 929 (34.8) 21 (2.26) 1.27 (0.50 to 3.23) 1.22 (0.40 to 3.69)
 Yes 473 (17.7) 22 (4.65) 2.45 (1.10 to 5.46) 0.72 (0.21 to 2.49)
Positive expectation of being a parent by age 20 years (follow‐up 1)
 No 1512 (57.0) 33 (2.18) 1 1
 Unsure 859 (32.4) 17 (1.98) 0.81 (0.35 to 1.89) 0.65 (0.28 to 1.52)
 Yes 282 (10.6) 14 (4.96) 1.65 (0.81 to 3.32) 1.87 (0.42 to 8.20)
Peer norms (baseline) *** *
 Believe less than ½ having sex 2253 (94.0) 51 (2.26) 1 1
 Believe ½ or more having sex 145 (6.0) 11 (7.59) 3.71 (1.89 to 7.31) 2.77 (0.71 to 10.73)
Peer norms (follow up 1)
 Believe less than ½ having sex 2038 (83.4) 42 (2.06) 1 1
 Believe ½ or more having sex 405 (16.6) 17 (4.20) 1.67 (0.86 to 3.25) 2.17 (0.90 to 5.24)
Individual behaviours
Intent to skip school (baseline) *** ***
 Unlikely 2024 (76.0) 40 (1.98) 1 1
 Ambivalent 377 (14.2) 16 (4.24) 1.45 (0.69 to 3.02) 1.77 (0.48 to 6.47)
 Likely 263 (9.9) 11 (4.18) 1.27 (0.67 to 2.41) 2.93 (0.94 to 9.15)
Intent to skip school (follow up 1)
 Unlikely 1960 (73.7) 33 (1.68) 1 1
 Ambivalent 367 (13.8) 11 (3.00) 1.67 (0.87 to 3.20) 1.68 (0.71 to 3.99)
 Likely 331 (12.5) 20 (6.04) 3.51 (1.97 to 6.25) 1.93 (0.60 to 6.24)
Drunk >once a month at age 13 years *** ***
 Drunk <once a month 2364 (89.1) 46 (1.95) 1 1
 Drunk ⩾once a month 290 (10.9) 19 (6.55) 3.43 (2.14 to 5.52) 3.86 (1.74 to 8.57)
Sexual health knowledge
Knowledge of STIs (baseline); number correct of 2
 0 607 (22.4) 12 (1.98) 1 1
 1 1040 (38.4) 26 (2.50) 1.38 (0.64 to 2.95) 0.93 (0.33 to 2.57)
 2 1058 (39.1) 29 (2.74) 1.49 (0.68 to 3.30) 0.86 (0.30 to 2.44)
Knowledge of STIs (follow‐up 1); number correct of 2
 0 359 (13.4) 7 (1.95) 1 1
 1 876 (32.8) 23 (2.63) 1.10 (0.36 to 3.41) 3.58 (0.57 to 22.66)
 2 1435 (53.7) 34 (2.37) 0.99 (0.40 to 2.44) 3.22 (0.59 to 17.52)
Knowledge of timing of emergency contraceptive pill (baseline)
 No 2224 (86.6) 56 (2.52) 1 1
 Yes 345 (13.4) 8 (2.32) 0.46 (0.30 to 1.93) 1.15 (0.45 to 2.88)
Knowledge of timing of emergency contraceptive pill (follow‐up 1)
 No 1968 (77.3) 44 (2.24) 1 1
 Yes 579 (22.7) 18 (3.11) 1.52 (0.75 to 3.07) 2.24 (0.96 to 5.24)
Ability to identify sexual health services (baseline) **
 No 1854 (78.3) 49 (2.64) 1 1
 Yes 513 (21.7) 12 (2.34) 0.75 (0.42 to 1.37) 0.58 (0.27 to 1.25)
Ability to identify sexual health services (follow‐up 1)
 No 1504 (64.9) 31 (2.06) 1 1
 Yes 812 (35.1) 20 (2.46) 0.99 (0.66 to 1.49) 0.32 (0.14 to 0.69)
Main source of information (baseline) * *
 Does not include school 997 (37.6) 29 (2.91) 1 1
 Includes school 1654 (62.4) 28 (2.30) 1.10 (0.25 to 1.76) 2.04 (0.86 to 4.80)
Main source of information (follow‐up 1)
 Does not include school 939 (35.5) 31 (3.30) 1 1
 Includes school 1704 (64.5) 32 (1.88) 0.43 (0.25 to 0.76) 0.44 (0.21 to 0.93)

STIs, sexually transmitted infections.

*p<0.05; **p<0.01; ***p<0.001.