Table 3 Bivariate analysis of factors associated with adolescent pregnancy in the second generation
From: Childbearing in adolescence: intergenerational dejà-vu? Evidence from a Brazilian birth cohort
Variables | Not adolescent mothers and no children | Adolescent mothers | RR | 95% CI | p † |
|---|---|---|---|---|---|
First generation | |||||
Adolescent mother | <0.001 | ||||
Yes | 244 (73.3) | 89 (26.7) | 2.11 | 1.62–2.74 | |
No | 634 (87.3) | 92 (12.7) | 1.00 | ||
Occupation of family head | <0.001 | ||||
Non-manual | 164 (92.7) | 13 (7.3) | 1.00 | ||
Skilled and semi-skilled manual | 532 (82.7) | 111 (17.3) | 2.35 | 1.36–4.07 | |
Unskilled manual or unemployed | 155 (74.9) | 52 (25.1) | 3.42 | 1.93–6.07 | |
Mother’s schooling | <0.001 | ||||
Up to 4 years | 363 (76.1) | 114 (23.9) | 4.61 | ||
5 to 8 years | 244 (82.7) | 51 (17.3) | 3.33 | 2.70–7.87 | |
9 years and more | 256 (94.8) | 14 (5.2) | 1.00 | 1.89–5.88 | |
Second generation | |||||
Occupation of family head | <0.001 | ||||
Non-manual | 312 (91.5) | 29 (8.5) | 1.00 | ||
Skilled and semi-skilled manual | 446 (80.1) | 111 (19.9) | 2.34 | 1.59–3.45 | |
Unskilled manual or unemployed | 122 (75.3) | 40 (24.7) | 2.90 | 1.87–4.51 | |
Participant’s schooling | <0.001 | ||||
Up to 8 years | 70 (45.2) | 85 (54.8) | 5.18 | 4.09–6.57 | |
9 years and more | 811 (89.4) | 96 (10.6) | 1.00 | ||
Age at menarche | 0.085 | ||||
< 12 years | 233 (79.8) | 59 (20.2) | 1.45 | ||
12 years | 287 (82.0) | 63 (18.0) | 1.29 | 1.04–2.02 | |
> 12 years | 351 (86.0) | 57 (14.0) | 1.00 | 0.93–1.79 | |
Age at first job | <0.001 | ||||
< 14 years | 131 (70.4) | 55 (29.6) | 1.00 | ||
14 to 17 years | 388 (80.7) | 93 (19.3) | 0.65 | 0.49–0.87 | |
> 17 years or never worked | 362 (91.7) | 33 (8.3) | 0.28 | 0.19-0.42 | |
Referred skin color | <0.001 | ||||
White | 628 (86.0) | 102 (14.0) | 1.00 | ||
Non-white | 239 (75.2) | 79 (24.8) | 1.78 | 1.37–2.31 | |
Total | 881 | 181 |