Characteristic 1, N = 4001 2, N = 3191
Q1

    central 63 / 400 (16%) 45 / 319 (14%)
    copperbelt 21 / 400 (5.3%) 63 / 319 (20%)
    eastern 35 / 400 (8.8%) 64 / 319 (20%)
    lusaka 58 / 400 (15%) 42 / 319 (13%)
    muchinga 59 / 400 (15%) 42 / 319 (13%)
    northwest 126 / 400 (32%) 0 / 319 (0%)
    southern 38 / 400 (9.5%) 63 / 319 (20%)
ProvinceCategory

    1 320 / 400 (80%) 214 / 319 (67%)
    2 80 / 400 (20%) 105 / 319 (33%)
Q2

    chavuma 21 / 400 (5.3%) 0 / 319 (0%)
    chilanga 0 / 400 (0%) 21 / 319 (6.6%)
    chililabombwe 21 / 400 (5.3%) 0 / 319 (0%)
    chingola 0 / 400 (0%) 21 / 319 (6.6%)
    chinsali 21 / 400 (5.3%) 21 / 319 (6.6%)
    chipata 15 / 400 (3.8%) 22 / 319 (6.9%)
    choma 17 / 400 (4.3%) 21 / 319 (6.6%)
    isoka 0 / 400 (0%) 21 / 319 (6.6%)
    kafue 37 / 400 (9.3%) 0 / 319 (0%)
    kalomo 21 / 400 (5.3%) 0 / 319 (0%)
    kalumbila 21 / 400 (5.3%) 0 / 319 (0%)
    kapiri 42 / 400 (11%) 17 / 319 (5.3%)
    katete 20 / 400 (5.0%) 42 / 319 (13%)
    kitwe 0 / 400 (0%) 21 / 319 (6.6%)
    lavushimanda 17 / 400 (4.3%) 0 / 319 (0%)
    livingstone 0 / 400 (0%) 21 / 319 (6.6%)
    luangwa 0 / 400 (0%) 21 / 319 (6.6%)
    masaiti 0 / 400 (0%) 21 / 319 (6.6%)
    mkushi 21 / 400 (5.3%) 7 / 319 (2.2%)
    mpika 21 / 400 (5.3%) 0 / 319 (0%)
    mufumbwe 21 / 400 (5.3%) 0 / 319 (0%)
    mwinilunga 21 / 400 (5.3%) 0 / 319 (0%)
    pemba 0 / 400 (0%) 21 / 319 (6.6%)
    rufunsa 21 / 400 (5.3%) 0 / 319 (0%)
    serenje 0 / 400 (0%) 21 / 319 (6.6%)
    solwezi 42 / 400 (11%) 0 / 319 (0%)
Primary_grade

    1 65 / 308 (21%) 49 / 260 (19%)
    2 133 / 308 (43%) 78 / 260 (30%)
    3 110 / 308 (36%) 133 / 260 (51%)
    Unknown 92 59
Schooltype

    1 308 / 400 (77%) 260 / 319 (82%)
    2 92 / 400 (23%) 59 / 319 (18%)
Secondary_grade

    1 13 / 92 (14%) 4 / 59 (6.8%)
    2 13 / 92 (14%) 4 / 59 (6.8%)
    3 24 / 92 (26%) 11 / 59 (19%)
    4 19 / 92 (21%) 11 / 59 (19%)
    5 23 / 92 (25%) 29 / 59 (49%)
    Unknown 308 260
age 14.00 (13.00, 16.00) 13.00 (11.00, 15.00)
gender

    1 187 / 400 (47%) 149 / 319 (47%)
    2 213 / 400 (53%) 170 / 319 (53%)
disabled

    0 366 / 400 (92%) 305 / 319 (96%)
    1 34 / 400 (8.5%) 14 / 319 (4.4%)
learn_lifeskills

    0 161 / 400 (40%) 146 / 319 (46%)
    1 239 / 400 (60%) 173 / 319 (54%)
basic_rules

    0 24 / 400 (6.0%) 34 / 319 (11%)
    1 376 / 400 (94%) 285 / 319 (89%)
ask_questions

    0 56 / 400 (14%) 50 / 319 (16%)
    1 344 / 400 (86%) 269 / 319 (84%)
different_values

    0 97 / 308 (31%) 59 / 260 (23%)
    1 211 / 308 (69%) 201 / 260 (77%)
    Unknown 92 59
respect_abstain

    0 24 / 308 (7.8%) 20 / 260 (7.7%)
    1 284 / 308 (92%) 240 / 260 (92%)
    Unknown 92 59
no_kiss

    0 211 / 308 (69%) 164 / 260 (63%)
    1 97 / 308 (31%) 96 / 260 (37%)
    Unknown 92 59
doesnt_matter

    0 299 / 308 (97%) 242 / 260 (93%)
    1 9 / 308 (2.9%) 18 / 260 (6.9%)
    Unknown 92 59
agree_touch

    0 45 / 308 (15%) 11 / 260 (4.2%)
    1 263 / 308 (85%) 249 / 260 (96%)
    Unknown 92 59
husband

    0 213 / 308 (69%) 168 / 260 (65%)
    1 95 / 308 (31%) 92 / 260 (35%)
    Unknown 92 59
marry_rich

    0 274 / 308 (89%) 223 / 260 (86%)
    1 34 / 308 (11%) 37 / 260 (14%)
    Unknown 92 59
women_work

    0 163 / 308 (53%) 149 / 260 (57%)
    1 145 / 308 (47%) 111 / 260 (43%)
    Unknown 92 59
rape_victim

    0 242 / 308 (79%) 167 / 260 (64%)
    1 66 / 308 (21%) 93 / 260 (36%)
    Unknown 92 59
breats

    0 197 / 308 (64%) 167 / 260 (64%)
    1 111 / 308 (36%) 93 / 260 (36%)
    Unknown 92 59
heard_hiv

    0 6 / 308 (1.9%) 3 / 260 (1.2%)
    1 302 / 308 (98%) 257 / 260 (99%)
    Unknown 92 59
abstinence

    0 16 / 308 (5.2%) 8 / 260 (3.1%)
    1 292 / 308 (95%) 252 / 260 (97%)
    Unknown 92 59
hiv_visible

    0 128 / 308 (42%) 95 / 260 (37%)
    1 180 / 308 (58%) 165 / 260 (63%)
    Unknown 92 59
playing

    0 280 / 308 (91%) 236 / 260 (91%)
    1 28 / 308 (9.1%) 24 / 260 (9.2%)
    Unknown 92 59
adult

    0 66 / 308 (21%) 25 / 260 (9.6%)
    1 242 / 308 (79%) 235 / 260 (90%)
    Unknown 92 59
adolescent

    0 67 / 308 (22%) 36 / 260 (14%)
    1 241 / 308 (78%) 224 / 260 (86%)
    Unknown 92 59
intercourse

    0 77 / 308 (25%) 65 / 260 (25%)
    1 231 / 308 (75%) 195 / 260 (75%)
    Unknown 92 59
firstintercourse

    0 29 / 308 (9.4%) 27 / 260 (10%)
    1 279 / 308 (91%) 233 / 260 (90%)
    Unknown 92 59
girlfriend

    0 75 / 308 (24%) 81 / 260 (31%)
    1 233 / 308 (76%) 179 / 260 (69%)
    Unknown 92 59
partners

    0 14 / 308 (4.5%) 19 / 260 (7.3%)
    1 294 / 308 (95%) 241 / 260 (93%)
    Unknown 92 59
understand

    0 5 / 92 (5.4%) 0 / 59 (0%)
    1 87 / 92 (95%) 59 / 59 (100%)
    Unknown 308 260
value_LSHE

    0 4 / 92 (4.3%) 0 / 59 (0%)
    1 88 / 92 (96%) 59 / 59 (100%)
    Unknown 308 260
have_sti

    0 30 / 92 (33%) 25 / 59 (42%)
    1 62 / 92 (67%) 34 / 59 (58%)
    Unknown 308 260
protect_hiv

    1 17 / 92 (18%) 3 / 59 (5.1%)
    2 60 / 92 (65%) 44 / 59 (75%)
    3 0 / 92 (0%) 2 / 59 (3.4%)
    4 15 / 92 (16%) 10 / 59 (17%)
    Unknown 308 260
testicles

    0 59 / 92 (64%) 53 / 59 (90%)
    1 33 / 92 (36%) 6 / 59 (10%)
    Unknown 308 260
organs_otuside

    0 75 / 92 (82%) 52 / 59 (88%)
    1 17 / 92 (18%) 7 / 59 (12%)
    Unknown 308 260
first_sex

    0 55 / 92 (60%) 46 / 59 (78%)
    1 37 / 92 (40%) 13 / 59 (22%)
    Unknown 308 260
risk_prego

    0 7 / 92 (7.6%) 1 / 59 (1.7%)
    1 85 / 92 (92%) 58 / 59 (98%)
    Unknown 308 260
no_sex

    0 73 / 92 (79%) 43 / 59 (73%)
    1 19 / 92 (21%) 16 / 59 (27%)
    Unknown 308 260
beating_her

    0 78 / 92 (85%) 52 / 59 (88%)
    1 14 / 92 (15%) 7 / 59 (12%)
    Unknown 308 260
use_condom

    0 40 / 92 (43%) 27 / 59 (46%)
    1 52 / 92 (57%) 32 / 59 (54%)
    Unknown 308 260
teacher_talk

    0 45 / 92 (49%) 30 / 59 (51%)
    1 47 / 92 (51%) 29 / 59 (49%)
    Unknown 308 260
men_work

    0 32 / 92 (35%) 32 / 59 (54%)
    1 60 / 92 (65%) 27 / 59 (46%)
    Unknown 308 260
only_father

    0 65 / 92 (71%) 50 / 59 (85%)
    1 27 / 92 (29%) 9 / 59 (15%)
    Unknown 308 260
no_need

    0 72 / 92 (78%) 53 / 59 (90%)
    1 20 / 92 (22%) 6 / 59 (10%)
    Unknown 308 260
pregant_cant

    0 44 / 92 (48%) 33 / 59 (56%)
    1 48 / 92 (52%) 26 / 59 (44%)
    Unknown 308 260
same_person

    0 89 / 92 (97%) 55 / 59 (93%)
    1 3 / 92 (3.3%) 4 / 59 (6.8%)
    Unknown 308 260
delay_period

    0 56 / 92 (61%) 20 / 59 (34%)
    1 36 / 92 (39%) 39 / 59 (66%)
    Unknown 308 260
sync_cycle

    0 74 / 92 (80%) 47 / 59 (80%)
    1 18 / 92 (20%) 12 / 59 (20%)
    Unknown 308 260
irregular_periods

    0 66 / 92 (72%) 44 / 59 (75%)
    1 26 / 92 (28%) 15 / 59 (25%)
    Unknown 308 260
drug_use

    0 12 / 92 (13%) 7 / 59 (12%)
    1 80 / 92 (87%) 52 / 59 (88%)
    Unknown 308 260
satisfied

    0 27 / 400 (6.8%) 16 / 319 (5.0%)
    1 373 / 400 (93%) 303 / 319 (95%)
1 n / N (%); Median (IQR)