Table 3 Univariable and multivariable analyses of risk factors associated with soil-transmitted helminth (STH) infections in the participants
Variables | Positive No. (%) | Negative No. (%) | Total n = 439 | COR (95% CI) | P-value | AOR (95% CI) | P-value |
|---|---|---|---|---|---|---|---|
Sex | |||||||
 Male | 30 (20.8) | 114 (79.2) | 144 (32.8) | 1.72 (1.02–2.92) | 0.041* | 1.85 (1.07–3.19) | 0.027* |
 Female | 9 (13.2) | 56 (86.8) | 295 (67.2) |  |  |  |  |
Age in years | |||||||
 60–69 | 35 (14.5) | 206 (85.5) | 241 (54.9) |  |  |  |  |
 70–79 | 23 (15.2) | 128 (84.8) | 151 (34.4) | 0.56 (0.26–1.19) | 0.132 | 1.05 (0.58–1.90) | 0.881 |
  > 80 | 11 (23.4) | 36 (76.6) | 47 (10.7) | 0.59 (0.26–1.32) | 0.198 | 2.01 (0.91–4.46) | 0.885 |
Monthly family income (Thai baht) | |||||||
  < 10,000 | 35 (13.7) | 155 (82.9) | 256 (57.3) | 0.69 (0.41–1.16) | 0.165 | 0.83 (0.05–1.44) | 0.511 |
  ≥ 10,001 | 34 (18.6) | 215 (85.3) | 183 (41.7) |  |  |  |  |
Occupation | |||||||
 Agriculturist | 32 (17.1) | 155 (82.9) | 187 (42.6) | 1.20 (0.72–2.01) | 0.490 |  |  |
 Nonagriculturist | 37 (14.7) | 215 (85.3) | 252 (57.4) |  |  |  |  |
Wearing shoes when outside | |||||||
 No | 24 (17.8) | 111 (82.2) | 135 (30.2) | 1.24 (0.72–2.14) | 0.430 |  |  |
 Yes | 45 (14.8) | 259 (85.2) | 304 (69.2) |  |  |  |  |
Wearing boots when tapping rubber/gardening | |||||||
 No | 27 (16.1) | 141 (83.9) | 168 (38.3) | 0.96 (0.57–1.62) | 0.873 |  |  |
 Yes | 42 (15.5) | 229 (84.5) | 271 (61.7) |  |  |  |  |
Fresh vegetable consumption | |||||||
 No | 31 (16.9) | 152 (83.1) | 183 (41.7) |  |  |  |  |
 Yes | 38 (14.8) | 218 (85.2) | 256 (58.3) | 0.86 (0.51–1.43) | 0.552 |  |  |
Washing vegetables before eating | |||||||
 No | 21 (31.8) | 45 (68.2) | 66 (15) | 3.16 (1.73–5.76) | < 0.001* | 3.19 (1.70–6.00) | < 0.001* |
 Yes | 48 (12.9) | 325 (87.1) | 373 (85) |  |  |  |  |
Handwashing before eating | |||||||
 No | 11 (16.2) | 57 (83.8) | 68 (15.5) | 1.01 (0.52–2.11) | 0.910 |  |  |
Yes | 58 (15.6) | 313 (84.4) | 371 (84.5) | Â | Â | Â | Â |
Handwashing after defecation | |||||||
 No | 4 (26.7) | 11 (73.3) | 15 (3.4) | 2.01 (0.62–6.50) | 0.245 |  |  |
 Yes | 65 (15.3) | 359 (84.7) | 424 (96.6) |  |  |  |  |
Handwashing after contact with soil | |||||||
 No | 6 (15.4) | 33 (84.6) | 39 (8.9) | 0.97 (0.39–2.42) | 0.952 |  |  |
 Yes | 63 (15.8) | 337 (84.3) | 400 (91.1) |  |  |  |  |
Defecating in an open field | |||||||
 No | 60 (14.8) | 346 (85.2) | 406 (92.7) | 2.16 (0.96–4.88) | 0.063 | 2.65 (1.14–6.15) | 0.023* |
 Yes | 9 (27.3) | 24 (72.7) | 33 (7.5) |  |  |  |  |