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. 2018 Jul 25;13(7):e0200898. doi: 10.1371/journal.pone.0200898

Table 4. Reproductive health characteristics assessed as determinants of teenage pregnancy among female teenagers in Degua Tembien district, Tigray, Northern Ethiopia, 2015.

(N = 414).

Variables Teenage pregnancy
Cases Controls Total
n (%) n (%) N (%)
Maternal history of teenage pregnancy
Yes 105 (76.1) 158 (57.2) 263 (63.5)
No 33 (23.9) 118 (42.8) 151 (36.5)
Sister has history of teenage pregnancy
Yes 29 (21.0) 68 (24.6) 97 (23.4)
No 109 (79.0) 208 (75.4) 317 (76.6)
Past history of contraception use
Yes 24 (17.4) 49 (79) 73 (36.5)
No 114 (82.4) 13 (21) 127 (63.5)
Knowledge of occurrence of teenage pregnancy
Good 65 (47.1) 174 (63.0) 239 (57.7)
Poor 73 (52.9) 102 (37.0) 175 (42.3)
Communication with parents on sexual issues
Yes 51 (37.0) 186 (67.4) 237 (57.2)
No 87 (63.0) 90 (32.6) 177 (42.8)
Menarche
Yes 137 (99.3) 217 (78.6) 354 (85.5)
No 1 (0.7) 59 (21.4) 60 (14.5)
Age at menarche
10–13 years 1 (0.7) 14 (6.5) 15 (4.2)
14–16 years 119 (86.9) 187 (86.2) 306 (86.4)
17–19 years 17 (12.4) 16 (7.3) 33 (9.3)
Received information on menstruation
Yes 123 (89.1) 252 (91.3) 375 (90.6)
No 15 (10.9) 24 (8.7) 39 (9.4)
Time received information on menstruation
Before menarche 87 (70.7) 207 (82.1) 294 (78.4)
After menarche 36 (29.3) 45 (17.9) 81 (21.6)
Age at sexual debut
10–15 years 3 (5) 0 (0) 3 (5)
16–17 years 34 (56.7) 13 (21.7) 47 (78.3)
18–19 years 2 (3.3) 8 (13.3) 10 (16.7)
Sex education at school
Received 22 (18.5) 183 (70.4) 205 (54.1)
Not received 97 (81.5) 77 (29.6) 174 (45.9)
Past pregnancy
Yes 12 (8.7) 0 (0) 12 (2.9)
No 126 (91.3) 276 (100) 402 (97.1)