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Table 4 Results of multilevel ordered logistic regression models

From: Determinants of safe sexual behavior of female sex workers in Tehran: the woman, her network, and the sexual partner

  Model 1 Model 2 Model 3
Threshold parameters Threshold S.E. Threshold S.E. Threshold S.E.
Threshold 1-2 6.98 3.50 8.45 3.61 4.39 4.78
Threshold 2-3 9.22 3.51 10.72 3.62 7.13 4.80
Threshold 3-4 11.33 3.54 12.85 3.65 9.82 4.84
Threshold 4-5 17.55 3.73 18.72 3.86 16.63 5.05
Fixed effect Coefficient S.E. Coefficient S.E. Coefficient S.E.
Age 0.237** 0.054 0.185 ** 0.049 0.15** 0.043
Educational level of FSWs 0.37 0.31 0.52! 0.29 0.21 0.25
No of supported people by FSWs 1.01 0.60 0.94! 0.55 -0.15 0.50
Age of sexual partners 0.041* 0.020 0.032 0.021 0.067** 0.022
Group mean of sexual partners’ age -0.124 0.075 -0.102 0.069 -0.088 0.062
Educational level of sexual partners 0.83** 0.14 0.87** 0.14 0.83** 0.15
Group mean of sexual partners’ educational level 1.83** 0.40 1.10** 0.37 0.56 0.36
Frequency of sex work in the last month    -0.376** 0.089 -0.089! 0.053
HIV knowledge    0.062** 0.018 0.052* 0.022
HIV testing    -0.63 0.85 0.47 0.89
Network density      -1.26 0.77
Frequency of contact      -0.270** 0.098
Group mean of frequency of contact      0.075* 0.037
Duration of tie      -0.064** 0.012
Group mean of duration of tie      -0.014! 0.008
Intimacy      -0.50* 0.24
Group mean of intimacy      -0.64 0.43
Drug or alcohol use before or with sex      0.26 0.86
Group mean of drug or alcohol use before or with sex      -1.67 1.02
Perceived safe sex norm      0.113** 0.029
Social support      -0.60* 0.28
Level-two random effect Variance Variance Variance
Intercept variance 9.89 6.64 4.69
  1. Significance codes for fixed effects: ** p-value < 0.01, * p-value < 0.05, ! p-value < 0.10