Table 2.

Demographic characteristics for all participant cohorts, except the staged cohort (n = 154).

All variables expressed as: n (%)High risk (n = 622)Low risk (n = 902)HIV positive (n = 457)Pregnant (n = 316)Healthy population (n = 209)All (N = 2506)
Sex
    Female357 (57.4)551 (61.1)183 (40.0)316 (100)80 (38.3)1487 (59.3)
    Male265 (42.6)351 (38.9)274 (60.0)0129 (61.7)1019 (40.7)
Age, years
    18–2178 (12.5)242 (26.8)35 (7.7)65 (20.6)7 (3.4)427 (17.0)
    22–29164 (26.4)210 (23.3)37 (8.1)132 (41.8)36 (17.2579 (23.1)
    30–39100 (16.1)134 (14.9)46 (10.1)103 (32.6)29 (13.9)412 (16.4)
    40–49132 (21.2)136 (15.1)100 (21.9)16 (5.1)44 (21.1)428 (17.1)
    50–59112 (18.0)121 (13.4)196 (42.9)62 (29.7)491 (19.6)
    60–6933 (5.3)49 (5.4)42 (9.2)28 (13.4)152 (6.1)
    70–793 (0.5)10 (1.1)1 (0.2)2 (1.0)16 (0.6)
    ≥801 (0.5)1 (0.04)
Race
    Asian1 (0.2)29 (3.2)1 (0.2)4 (1.3)035 (1.4)
    Black/African-American253 (40.7)296 (32.8)377 (82.5)22 (7.0)120 (57.4)1068 (42.6)
    Mixed race4 (0.6)5 (0.6)3 (0.7)2 (0.6)6 (2.9)20 (0.8)
    Caucasian/White362 (58.2)562 (62.3)64 (14.0)285 (90.2)79 (37.8)1352 (54.0)
    Other2 (0.3)10 (1.1)12 (2.6)3 (0.9)4 (1.9)31 (1.2)