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. Author manuscript; available in PMC: 2024 Jul 1.
Published in final edited form as: J Adolesc Health. 2023 Jul;73(1 Suppl):S43–S54. doi: 10.1016/j.jadohealth.2022.09.034

Table 2.

Overview of Sample

Shanghai, China Kinshasa, DRC Denpasar and Semarang, Indonesia New Orleans, US
Total
n (%)
n = 938
Male
n (%)
n = 446
Female
n (%)
n = 492
Total
n (%)
n = 1539
Male
n (%)
n = 772
Female
n (%)
n =767
Total
n (%)
n = 1694
Male
n (%)
n = 714
Female
n (%)
n = 980
Total
n (%)
n = 640
Male
n (%)
n = 209
Female
n (%)
n = 431
Age
Mean (SD +/−) 12.53 (0.03) 12.60 (0.05) 12.46 (0.04) 11.88 (0.04) 11.95 (0.05) 11.82 (0.05) 12.16 (0.01) 12.21 (0.02) 12.13 (0.02) 12.93 (0.03) 12.89 (0.06) 12.95 (0.04)
10 6 (0.64%) 2 (0.45%) 4 (0.81%) 323 (20.99%) 153 (19.82%) 170 (22.16%) 2 (0.12%) 0 2 (0.20%) - - -
11 146 (15.57%) 65 (14.57%) 81 (16.46%) 339 (22.03%) 163 (21.11%) 176 (22.95%) 78 (4.60%) 31 (4.34%) 47 (4.80%) 6 (0.94%) 3 (1.44%) 3 (0.70%)
12 288 (30.70%) 130 (29.15%) 158 (32.11%) 330 (21.44%) 166 (21.50%) 164 (21.38%) 1273 (75.15%) 517 (72.41%) 756 (77.14%) 188 (29.38%) 71 (33.97%) 117 (27.15%)
13 344 (36.67%) 160 (35.87%) 184 (37.40%) 286 (18.58%) 148 (19.17%) 138 (17.99%) 323 (19.07%) 153 (21.43%) 170 (17.35%) 291 (45.47%) 80 (38.28%) 211 (48.96%)
14 154 (16.42%) 89 (19.96%) 65 (13.21%) 261 (16.96%) 142 (18.39%) 119 (15.51%) 18 (1.06%) 13 (1.82%) 5 (0.51%) 155 (24.22%) 55 (26.32%) 100 (23.20%)
Education Level (Appropriate for Age)
Lower than age expected grade 31 (3.30%) 18 (4.04%) 13 (2.64%) 289 (18.78%) 152 (19.69%) 137 (17.86%) 18 (1.06%) 13 (1.82%) 5 (0.51%) 16 (2.50%) 10 (4.78%) 6 (1.39%)
Age expected grade or higher 907 (96.70%) 428 (95.96%) 479 (97.36%) 1250 (81.22%) 620 (80.31%) 630 (82.14%) 1676 (98.94%) 701 (98.18%) 975 (99.49%) 624 (97.50%) 199 (95.22%) 425 (98.61%)
Religiosity
Less than very important or no religion 881 (93.92%) 413 (92.60%) 468 (95.12%) 53 (3.44%) 29 (3.76%) 24 (3.13%) 1100 (64.94%) 437 (61.20%) 663 (67.65%) 415 (64.84%) 143 (68.42%) 272 (63.11%)
Very important 57 (6.08%) 33 (7.40%) 24 (4.88%) 1486 (96.56%) 743 (96.24%) 743 (96.87%) 594 (35.06%) 277 (38.80%) 317 (32.35%) 225 (35.16%) 66 (31.58%) 159 (36.89%)
Romantic and Sexual Activity
Has not engaged at all 780 (83.16%) 348 (78.03%) 432 (87.80%) 1353 (87.91%) 653 (84.59%) 700 (91.26%) 950 (56.08%) 360 (50.42%) 590 (60.20%) - - -
Has engaged at all 158 (16.84%) 98 (21.97%) 60 (12.20%) 186 (12.09%) 119 (15.41%) 67 (8.74%) 744 (43.92%) 354 (49.58%) 390 (39.80%) - - -
Household Composition
Neither Parent 7 (0.75%) 3 (0.67%) 4 (0.81%) 73 (4.74%) 35 (4.53%) 38 (4.95%) 32 (1.89%) 19 (2.66%) 13 (1.33%) 10 (1.56%) 5 (2.39%) 5 (1.16%)
One Parent 97 (10.34%) 40 (8.97%) 57 (11.59%) 368 (23.91%) 186 (24.09%) 182 (23.73%) 106 (6.26%) 37 (5.18%) 69 (7.04%) 347 (54.22%) 104 (49.76%) 243 (56.38%)
Both Parent 834 (88.91%) 403 (90.36%) 431 (87.60%) 1098 (71.35%) 551 (71.37%) 547 (71.32%) 1556 (91.85%) 658 (92.16%) 898 (91.63%) 283 (44.22%) 100 (47.85%) 183 (42.46%)
Parent Sex
Male 148 (15.78%) 87 (19.51%) 61 (12.40%) 972 (63.16%) 548 (70.98%) 424 (55.28%) 113 (6.67%) 54 (7.56%) 59 (6.02%) 52 (8.12%) 28 (13.40%) 24 (5.57%)
Female 790 (84.22%) 359 (80.49%) 431 (87.60%) 567 (36.84%) 224 (29.02%) 343 (44.72%) 1581 (93.33%) 660 (92.44%) 921 (93.98%) 588 (91.88%) 181 (86.60%) 407 (94.43%)
Time spent with peers
Never/rarely 327 (34.86%) 158 (35.43%) 169 (34.35%) 37 (2.40%) 7 (0.91%) 30 (3.91%) 140 (8.26%) 58 (8.12%) 82 (8.37%) 95 (14.84%) 22 (10.53%) 73 (16.94%)
1–4 x per week 547 (58.32%) 252 (56.50%) 295 (59.96%) 752 (48.86%) 345 (44.69%) 407 (53.06%) 1019 (60.15%) 352 (49.30%) 667 (68.06%) 368 (57.50%) 123 (58.85%) 245 (56.84%)
Daily 64 (6.82%) 36 (8.07%) 28 (5.69%) 750 (48.73%) 420 (54.40%) 330 (43.02%) 535 (31.58%) 304 (42.58%) 231 (23.57%) 177 (27.66%) 64 (30.62%) 113 (26.22%)
Peer group composition
Same-sex 406 (43.28%) 156 (34.98%) 250 (50.81%) 836 (54.32%) 401 (51.94%) 435 (56.71%) 533 (31.46%) 181 (25.35%) 352 (35.92%) 96 (15.00%) 27 (12.92%) 69 (16.01%)
Mixed 532 (56.72%) 290 (65.02%) 242 (49.19%) 703 (45.68%) 371 (48.06%) 332 (43.29%) 1161 (68.54%) 533 (74.65%) 628 (64.08%) 544 (85.00%) 182 (87.08%) 362 (83.99%)
Perceived peer engagement in romantic and sexual activity
None 487 (51.92%) 205 (45.96%) 282 (57.32%) 959 (62.31%) 442 (57.25%) 517 (67.41%) 110 (6.49%) 45 (6.30%) 65 (6.63%) 40 (6.25%) 11 (5.26%) 29 (6.73%)
Any 451 (48.08%) 241 (54.04%) 210 (42.68%) 580 (37.69%) 330 (42.75%) 250 (32.59%) 1584 (93.51%) 669 (93.70%) 915 (93.37%) 600 (93.75%) 198 (94.74%) 402 (93.27%)
Closeness with parent
Somewhat/ not much/ not at all 385 (41.04%) 198 (44.39%) 187 (38.01%) 564 (36.65%) 285 (36.92%) 279 (36.38%) 596 (35.18%) 273 (38.24%) 323 (32.96%) 258 (40.31%) 90 (43.06%) 168 (38.98%)
A lot 553 (58.96%) 248 (55.61%) 305 (61.99%) 975 (63.35%) 487 (63.08%) 488 (63.62%) 1098 (64.82%) 441 (61.76%) 657 (67.04%) 382 (59.69%) 119 (56.94%) 263 (61.02%)
Level of comfort talking to parent about things that worry you
Not at all comfortable 56 (5.97%) 29 (6.50%) 27 (5.49%) 160 (10.40%) 76 (9.84%) 84 (10.95%) 137 (8.09%) 60 (8.40%) 77 (7.86%) 20 (3.12%) 8 (3.83%) 12 (2.78%)
Comfortable at all 882 (94.03%) 417 (93.50%) 465 (94.51%) 1379 (89.60%) 696 (90.16%) 683 (89.05%) 1557 (91.91%) 654 (91.60%) 903 (92.14%) 620 (96.88%) 201 (96.17%) 419 (97.22%)
Parent awareness of friends by name
Not true at all 8 (0.85%) 7 (1.57%) 1 (0.20%) 149 (9.68%) 84 (10.88%) 65 (8.47%) 12 (0.71%) 6 (0.84%) 6 (0.61%) 20 (3.12%) 8 (3.83%) 12 (2.78%)
Somewhat/not very true 336 (35.82%) 187 (41.93%) 149 (30.28%) 778 (50.55%) 402 (52.07%) 376 (49.02%) 1013 (59.80%) 407 (57.00%) 606 (61.84%) 317 (49.53%) 115 (55.02%) 202 (46.87%)
Very true 594 (63.33%) 252 (56.50%) 342 (69.51%) 612 (39.77%) 286 (37.05%) 326 (42.50%) 669 (39.49%) 301 (42.16%) 368 (37.55%) 303 (47.34%) 86 (41.15%) 217 (50.35%)
Parent awareness of whereabouts
Not true at all 15 (1.60%) 10 (2.24%) 5 (1.02%) 88 (5.72%) 58 (7.51%) 30 (3.91%) 14 (0.83%) 12 (1.68%) 2 (0.20%) 1 (0.16%) 0 1 (0.23%)
Somewhat/not very true 223 (23.77%) 125 (28.03%) 98 (19.92%) 471 (30.60%) 295 (38.21%) 176 (22.95%) 754 (44.51%) 374 (52.38%) 380 (38.78%) 102 (15.94%) 52 (24.88%) 50 (11.60%)
Very true 700 (74.63%) 311 (69.73%) 389 (79.07%) 980 (63.68%) 419 (54.27%) 561 (73.14%) 926 (54.66%) 328 (45.94%) 598 (61.02%) 537 (83.91%) 157 (75.12%) 380 (88.17%)
Parent communication about SRH matters
No 735 (78.36%) 375 (84.08%) 360 (73.17%) 1384 (89.93%) 723 (93.65%) 661 (86.18%) 1202 (70.96%) 547 (76.61%) 655 (66.84%) 293 (45.78%) 103 (49.28%) 190 (44.08%)
Yes 203 (21.64%) 71 (15.92%) 132 (26.83%) 155 (10.07%) 49 (6.35%) 106 (13.82%) 492 (29.04%) 167 (23.39%) 325 (33.16%) 347 (54.22%) 106 (50.72%) 241 (55.92%)
Pregnancy knowledge
Mean (+/− SD) 2.23 (0.05) 2.34 (0.08) 2.14 (0.07) 3.00 (0.04) 3.08 (0.05) 2.91 (0.05) 2.15 (0.04) 2.49 (0.06) 1.90 (0.05) 3.98 (0.05) 3.82 (0.09) 4.05 (0.06)
Know where to get condoms A
No 186 (33.10%) 88 (33.08%) 98 (33.11%) 495 (53.11%) 262 (48.88%) 233 (58.83%) 360 (49.04%) 149 (37.53%) 211 (62.61%) 138 (29.73%) 38 (20.11%) 100 (26.60%)
Yes 376 (66.90%) 178 (66.92%) 198 (66.89%) 437 (46.88%) 274 (51.12%) 163 (41.16%) 374 (50.95%) 248 (62.47%) 126 (37.39%) 427 (70.27%) 151 (79.89%) 276 (73.40%)
Know where to get other contraception A
No 160 (48.63%) - 160 (48.63%) 230 (37.77%) - 230 (37.77%) 345 (59.33%) - 345 (59.33%) 159 (43.68%) - 159 (43.68%)
Yes 169 (51.37%) - 169 (51.37%) 379 (62.23%) - 379 (62.23%) 229 (40.67%) - 229 (40.67%) 205 (56.32%) - 205 (56.32%)
A.

Total differs from that noted above due to missing and non-meaningful responses for family planning service awareness outcomes. Missing and non-meaningful responses were excluded from the regression analyses (including multiple linear and logistic regressions).