Table 4 The relationship between knowledge about sexual risk behavior on teenage pregnancy (n = 539
Variables | N | Ever been pregnancy | \(\chi^{2}\) | P-value | |
|---|---|---|---|---|---|
No | Yes | Â | Â | ||
An adolescent can get pregnant even if has not started menstruation | Â | Â | Â | 2.759 | 0.097 |
 No | 31 | 26 (83.9) | 5 (16.1) |  |  |
 Yes | 508 | 355 (69.9) | 153 (30.1) |  |  |
A girl can get pregnant at first time sexual intercourse | Â | Â | Â | 8.002 | 0.005 |
 No | 226 | 145 (64.2) | 81 (35.8) |  |  |
 Yes | 313 | 236 (75.4) | 77 (24.6) |  |  |
Aware of more sexual fertile period/dangerous period | Â | Â | Â | 1.064 | 0.302 |
 No | 316 | 218 (69.0) | 98 (31.0) |  |  |
 Yes | 223 | 163 (73.1) | 60 (26.9) |  |  |
Awareness of contraceptives use | Â | Â | Â | 8.911 | 0.003 |
 No | 79 | 67 (84.8) | 12 (15.2) |  |  |
 Yes | 460 | 314 (68.3) | 146 (31.7) |  |  |
Practices masturbation | Â | Â | Â | 1.184 | 0.277 |
 Yes | 115 | 86 (74.8) | 29 (25.2) |  |  |
 No | 424 | 295 (69.6) | 129 (30.4) |  |  |
Decision for sexual and reproductive health | Â | Â | Â | 0.002 | 0.962 |
 Poor | 284 | 201 (70.8) | 83 (29.2) |  |  |
 Good | 255 | 180 (70.6) | 75 (29.4) |  |  |
Ever concerned to conceive a pregnancy | Â | Â | Â | 0.409 | 0.522 |
 No | 150 | 103 (68.7) | 47 (31.3) |  |  |
 Yes | 389 | 278 (71.5) | 111 (28.5) |  |  |
Perceived that contraceptive influences one to get pregnancy |  |  |  | 17.128 |  < 0.001 |
 Yes | 80 | 41 (51.2) | 39 (48.8) |  |  |
 No | 459 | 340 (74.1) | 119 (25.9) |  |  |
Contraceptive use | Â | Â | Â | 0.478 | 0.489 |
 No | 419 | 294 (70.2) | 125 (29.8) |  |  |
 Yes | 120 | 87 (72.5) | 33 (27.5) |  |  |
Knowledge of sexual and reproductive health | Â | Â | Â | 4.901 | 0.027 |
 Adequate | 213 | 162 (76.1) | 51 (23.9) |  |  |
 Inadequate | 326 | 219 (67.2) | 107 (32.8) |  |  |