Table 3 Comparison of seed and recruit sample sizes (and proportions for recruits), homophily and estimated population proportions between arms 1 and 2
Arm 1 | Arm 2 | |||||||
|---|---|---|---|---|---|---|---|---|
Variable | Seeds | Recruits (observed proportion) | Estimated population proportion (CI) | Homophily | Seeds | Recruits (observed proportion) | Estimated population proportion (CI) | Homophily |
Education | ||||||||
Graduate or in school | 6 | 84 (0.43) | 0.39 (0.32-0.45) | 0.086 | 29 | 96 (0.36) | 0.32 (0.26-0.37) | 0.144 |
Dropped out or unsure | 17 | 111 (0.57) | 0.61 (0.55-0.68) | -0.061 | 89 | 168 (0.64) | 0.69 (0.63-0.74) | -0.037 |
Income | ||||||||
Full/part-time work | 5 | 36 (0.19) | 0.17 (0.12-0.23) | 0.093 | 8 | 39 (0.15) | 0.15 (0.10-0.20) | 0.026 |
Support | 18 | 159 (0.82) | 0.83 (0.77-0.88) | 0.021 | 110 | 225 (0.85) | 0.85 (0.80-0.90) | 0.037 |
Housing | ||||||||
Private residence | 11 | 106 (0.54) | 0.52 (0.44-0.6) | 0.326 | 54 | 160 (0.61) | 0.64 (0.55-0.72) | 0.482 |
Public residence | 12 | 89 (0.46) | 0.48 (0.4-0.56) | 0.205 | 64 | 104 (0.40) | 0.37 (0.29-0.45) | 0.345 |
Gender | ||||||||
Male | 12 | 109(0.56) | 0.61 (0.54-0.67) | -0.011 | 53 | 143 (0.54) | 0.55 (0.48-0.63) | 0.104 |
Female | 8 | 82(0.42) | 0.38 (0.31-0.45) | 0.153 | 64 | 119 (0.46) | 0.45 (0.37-0.52) | 0.11 |
Transgender | 3 | 4 (0.02) | 0.02 (0.004-0.03) | -1.0 | 1 | 2 (0.01) | 0.004 (0.002-0.01) | -1.0 |
Ethnicity | ||||||||
Caucasian | 5 | 62 (0.32) | 0.32 (0.24-0.39) | 0.113 | 10 | 57 (0.22) | 0.28 (0.21-0.35) | 0.096 |
Aboriginal | 13 | 79 (0.41) | 0.42 (0.32-0.51) | 0.302 | 80 | 150 (0.57) | 0.46 (0.38-0.55) | 0.409 |
Metis | 2 | 42(0.22) | 0.19 (0.14-0.24) | 0.102 | 24 | 47 (0.18) | 0.20 (0.15-0.27) | 0.013 |
Other and unsure | 3 | 12(0.06) | 0.074 (0.03-0.13) | 0.1 | 4 | 10 (0.04) | 0.06 (0.03-0.09) | -1.0 |
Solvent use | ||||||||
No | 11 | 135 (0.70) | 0.70 (0.64-0.75) | -0.024 | 64 | 147 (0.56) | 0.58 (0.5-0.65) | 0.238 |
Yes | 12 | 60(0.31) | 0.30 (0.25-0.36) | -0.083 | 54 | 117 (0.44) | 0.43 (0.35-0.50) | 0.224 |
IDU | ||||||||
No | 8 | 100 (0.51) | 0.56 (0.47-0.64) | 0.28 | 53 | 136 (0.52) | 0.50 (0.42-0.56) | 0.187 |
Yes | 15 | 95 (0.49) | 0.44 (0.35-0.53) | 0.345 | 65 | 128 (0.49) | 0.5 (0.44-0.58) | 0.072 |
Street-involved youth | ||||||||
No | 18 | 161 (0.83) | 0.84 (0.79-0.89) | 0.129 | 99 | 246 (0.93) | 0.95 (0.93-0.98) | -0.011 |
Yes | 5 | 34(0.17) | 0.16 (0.11-0.22) | 0.262 | 19 | 18 (0.07) | 0.05 (0.03-0.07) | 0.141 |
MSM | ||||||||
No | 19 | 178(0.91) | 0.90 (0.86-0.94) | 0.072 | 115 | 254 (0.96) | 0.97 (0.95-0.99) | -0.008 |
Yes | 4 | 17 (0.09) | 0.10 (0.06-0.14) | -0.351 | 3 | 10 (0.04) | 0.03 (0.01-0.05) | -1.0 |
Sex work | ||||||||
No | 14 | 181(0.93) | 0.94 (0.92-0.97) | -0.019 | 97 | 228 (0.86) | 0.87 (0.83-0.91) | 0.068 |
Yes | 9 | 14 (0.07) | 0.06 (0.03-0.09) | -0.202 | 21 | 36 (0.14) | 0.13 (0.09-0.18) | 0.103 |