Table 1 Background information and scores of the measurements
| Â | Overall | Reproductive health education | Â | Â |
|---|---|---|---|---|
| Â | Â | No | Yes | P-value |
n | 3295 | 1172 | 2123 | Â |
School |  |  |  |  < 0.001 |
 Primary school | 2056 (62.4) | 402 (34.3) | 1654 (77.9) |  |
 Secondary school | 1239 (37.6) | 770 (65.7%) | 469 (22.1) |  |
Age |  |  |  |  < 0.001 |
 Low | 1737 (52.7) | 368 (31.4) | 1369 (64.5) |  |
 High | 1537 (46.6) | 796 (67.9) | 741 (34.9) |  |
 NA | 21 (0.6) | 8 (0.7) | 13 (0.6) |  |
 Age in continuous variable (mean (SD)) | 13.44 (1.73) | 14.14 (1.74) | 13.05 (1.59) |  < 0.001 |
Sex | Â | Â | Â | 0.527 |
 Female | 1767 (53.6) | 617 (52.6) | 1150 (54.2) |  |
 Male | 1527 (46.3) | 555 (47.4) | 972 (45.8) |  |
 NA | 1 (0.0) | 0 (0.0) | 1 (0.0) |  |
Living place |  |  |  |  < 0.001 |
 In rural | 1147 (34.8) | 330 (28.2) | 817 (38.5) |  |
 In town | 2148 (65.2) | 842 (71.8) | 1306 (61.5) |  |
Religion | Â | Â | Â | 0.015 |
 Christian | 1262 (38.3) | 481 (41.0) | 781 (36.8) |  |
 Muslim | 1990 (60.4) | 679 (57.9) | 1311 (61.8) |  |
 Others | 21 (0.6) | 9 (0.8) | 12 (0.6) |  |
 NA | 22 (0.7) | 3 (0.3) | 19 (0.9) |  |
Have brother or sister | Â | Â | Â | 0.021 |
 No | 381 (11.6) | 160 (13.7) | 221 (10.4) |  |
 Yes | 2894 (87.8) | 1005 (85.8) | 1889 (89.0) |  |
 NA | 20 (0.6) | 7 (0.6) | 13 (0.6) |  |
Experience of menstruation or nocturnal emission |  |  |  |  < 0.001 |
 No | 2164 (65.7) | 653 (55.7) | 1511 (71.2) |  |
 Yes | 1102 (33.4) | 517 (44.1) | 585 (27.6) |  |
 NA | 29 (0.9) | 2 (0.2) | 27 (1.3) |  |
Experience of sexual intercouse |  |  |  |  < 0.001 |
 No | 3248 (98.6) | 1157 (98.7) | 2091 (98.5) |  |
 Yes | 18 (0.5) | 13 (1.1) | 5 (0.2) |  |
 NA | 29 (0.9) | 2 (0.2) | 27 (1.3) |  |
Marriage plan in the future |  |  |  |  < 0.001 |
 No | 726 (22.0) | 184 (15.7) | 542 (25.5) |  |
 Yes | 2540 (77.1) | 982 (83.8) | 1558 (73.4) |  |
 NA | 29 (0.9) | 6 (0.5) | 23 (1.1) |  |
Talk about sex or pregnancy with parents |  |  |  |  < 0.001 |
 No | 1899 (57.6) | 610 (52.0) | 1289 (60.7) |  |
 Yes | 1378 (41.8) | 560 (47.8) | 818 (38.5) |  |
 NA | 18 (0.5) | 2 (0.2) | 16 (0.8) |  |
Have daily talk with parents | Â | Â | Â | 0.086 |
 No | 515 (15.6) | 173 (14.8) | 342 (16.1) |  |
 Yes | 2764 (83.9) | 997 (85.1) | 1767 (83.2) |  |
 NA | 16 (0.5) | 2 (0.2) | 14 (0.7) |  |
The attitudes of reproductive health score at baseline (mean (SD)) | 18.43 (5.06) | 17.95 (5.06) | 18.70 (5.04) |  < 0.001 |
The behaviors of reproductive health score at baseline (mean (SD)) | 14.62 (3.30) | 14.20 (3.05) | 14.85 (3.42) |  < 0.001 |
The hope for the future at baseline (mean (SD)) | 38.89 (4.82) | 39.25 (4.72) | 38.68 (4.86) | 0.002 |
The attitudes of reproductive health score at final (mean (SD)) | 17.76 (5.07) | 17.66 (5.05) | 17.82 (5.09) | 0.444 |
The behaviors of reproductive health score at final (mean (SD)) | 14.41 (3.06) | 14.05 (2.89) | 14.61 (3.13) |  < 0.001 |
The hope for the future at final (mean (SD)) | 38.24 (5.03) | 38.99 (4.99) | 37.83 (5.01) |  < 0.001 |