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. 2015 Jan 27;10(1):e0115435. doi: 10.1371/journal.pone.0115435

Table 5. Factors associated with current unmet need for modern contraception 1 among adolescent female sex workers (N = 310).

Factors Unmet need 1 Crude OR p value Adjusted OR p value
% (n/N) (95% CI) (95% CI)
TOTAL 35 (110)
Age, years
 15–17 38 (20/53) 1.0 0.71
 18–20 35 (90/257) 0.89 (0.48–1.64)
Education level
 No school or primary school only 33 (9/27) 0.95 (0.36–2.51) 0.95
 Middle school 36 (82/228) 1.06 (0.57–1.97)
 High school 35 (19/55) 1.0
Current non-paying partner
 No 19 (19/99) 1.0 <0.001 1.0 <0.001
 Yes 43 (91/211) 3.19 (1.81–5.64) 3.41 (1.87–6.24)
Experienced physical or sexual violence from any sexual partner (past year)
 No 33 (64/192) 1.0 0.31
 Yes 39 (46/118) 1.28 (0.79–2.06)
Average monthly income from sex work
 <633 Euro 37 (52/141) 1.0 0.63
 > = 633 Euro 34 (58/169) 0.89 (0.56–1.42)
Average number of paying partners per week (past month)
 1–2 34 (65/189) 1.0 0.62
 3 or more 37 (45/121) 1.13 (0.70–1.82)
Time in sex work
 <1 month 35 (13/37) 1.12 (0.44–2.84) 0.97
 1–6 months 36 (56/154) 1.18 (0.58–2.43)
 7–12 months 36 (27/76) 1.41 (0.52–2.52)
 >12 months 33 (14/43) 1.0
Alcohol use, past year
 Abstainer or casual-drinker 17 (9/53) 1.0 <0.001 1.0 0.004
 Daily or usual-drinker (more than twice a week) 39 (101/257) 3.17 (1.48–6.76) 3.19 (1.44–7.06)
Abortion ever 0.86
 No 35 (61/174) 1.0
 Yes 36 (49/136) 1.04 (0.65–1.67)
Any self-reported STI symptom of (past year) 0.02 0.30
 No 27 (28/105) 1.0 1.0
 Yes 40 (82/205) 1.83 (1.10–3.07) 1.34 (0.76–2.35)
Received any SRH services 2 in the past year 0.10 0.08
 No 15 (2/13) 0.32 (0.07–1.46) 0.24 (0.49–1.20)
 Yes 36 (108/297) 1.0 1.0
Non-paying partners’ attitude towards contraception 0.93
 Non supportive 42 (35/83) 1.0
 Supportive 43 (53/124) 0.98 (0.56–1.71)
SRH knowledge 3 0.09 0.02
 Low score 40 (67/169) 1.50 (0.93–2.40) 1.89 (1.13–3.15)
 High score 30 (43/141) 1.0 1.0

1 Unmet need for modern contraception was defined as not currently intending to get pregnant and not using any modern contraception (sterilisation, oral contraceptive pill, intra-uterine device (IUD), diaphragm, injection, emergency contraception, or implant)

2 SRH services including family planning, HIV/STI testing, free condoms

3 Knowledge of sexual reproductive health was derived from a set of seven true/false questions plus one point for having heard of each of eight modern methods of contraception. Scores were split at the median (< = 7/15 vs>7/15)