Variable | qPCR positive n (%) | Association p-value* | Univariate OR (95% CI) | Multivariate aOR (95% CI)# |
---|---|---|---|---|
Sex | ||||
Female | 24 (19) | 0.4736 | Reference group | Reference group |
Male | 43 (16) | 0.82 (0.47, 1.42) | 1.34 (0.71, 2.54) | |
Age (years) | ||||
< 15 | 10 (21) | 0.4341 | Reference group | Reference group |
15 to 29 | 21 (19) | 0.85 (0.37, 1.99) | 1.01 (0.40, 2.56) | |
≥ 30 | 36 (15) | 0.64 (0.29, 1.41) | 0.88 (0.36, 2.13) | |
Origin (arriving from)a | ||||
Low incidence provinces | 0 (0) | 0.3983 | Reference group | Reference group |
Medium incidence provinces | 0 (0) | 1 (-) | 1 (-) | |
High incidence provinces | 67 (17) | 1.21 (0.14, 10.23) | 1.99 (0.19, 17.27) | |
Time away from Lihir (days)a | ||||
> 12 to 31 | 22 (10) | 0.0003 | Reference group | Reference group |
32 to 90 | 3 (12) | 1.18 (0.33, 4.28) | 1.20 (0.29, 4.89) | |
91 or more | 42 (26) | 3.01 (1.71, 5.30) | 2.35 (1.07, 5.18) | |
Place while on Lihir | ||||
Mine accommodation | 13 (9) | 0.0011 | Reference group | Reference group |
Londolovit Town | 26 (28) | 3.74 (1.80, 7.74) | 1.64 (0.28, 9.63) | |
Villages of Lihir | 28 (17) | 1.95 (0.97, 3.94) | 0.87 (0.15, 5.07) | |
Intention of the visit | ||||
Returning resident/VFR | 25 (20) | 0.0066 | Reference group | Reference group |
Mine worker | 13 (9) | 0.39 (0.19, 0.79) | 0.59 (0.10, 3.50) | |
Trading unrelated to mining | 23 (25) | 1.29 (0.68, 2.46) | 1.07 (0.54, 2.13) | |
Other purpose | 6 (14) | 0.61 (0.23, 1.61) | 0.55 (0.20, 1.53) | |
Frequency of sleeping under net while away from Lihira | ||||
Never | 32 (14) | 0.6155 | Reference group | Reference group |
Some nights | 20 (19) | 1.34 (0.73, 2.48) | 1.23 (0.65, 2.34) | |
Most of the nights | 4 (12) | 1.05 (0.38, 2.93) | 0.72 (0.24, 2.19) | |
Always | 7 (21) | 2.13 (0.91, 4.97) | 2.14 (0.84, 5.48) | |
Slept under net while away from Lihir a | ||||
No | 32 (14) | 0.1894 | Reference group | Not considered for this analysis |
Yes | 34 (9) | 1.42 (0.84, 2.42) |