Table 1. Demographic variables, risk behaviors, and other characteristics overall and by depression category.
| All participants (with depression data) | None/minimal depression | Mild depression | Moderate-severe depression | p-Value | |
|---|---|---|---|---|---|
| n (%) | 284 (100%) | 157 (55.3%) | 59 (20.8%) | 68 (23.9%) | NA |
| Age (years) | N = 284 | ||||
| Mean (SD)/Median (IQR) | 36.9 (7.9)/36.0 (10.0) | 36.9 (8.0)/37.0 (10.0) | 37.0 (7.0)/37.0 (9.0) | 36.8 (8.5)/35.0 (11.5) | 0.859a |
| Married | N = 282 | ||||
| Yes, n (%) | 234 (83.0%) | 130 (55.6%) | 50 (21.4%) | 54 (23.1%) | 0.660b |
| No, n (%) | 48 (17.0%) | 25 (52.1%) | 9 (18.8%) | 14 (29.2%) | |
| Secondary school education or higher | N = 284 | ||||
| Yes, n (%) | 105 (37.0%) | 57 (54.3%) | 25 (23.8%) | 23 (21.9%) | 0.589b |
| No, n (%) | 179 (63.0%) | 100 (55.9%) | 34 (19.0%) | 45 (25.1%) | |
| Religion | N = 279 | ||||
| Christian, n (%) | 217 (77.8%) | 117 (53.9%) | 47 (21.7%) | 53 (24.4%) | 0.436b |
| Non-Christian, n (%) | 62 (22.2%) | 39 (62.9%) | 10 (16.1%) | 13 (21.0%) | |
| Monthly income | N = 268 | ||||
| <240 USD, n (%) | 71 (26.5%) | 34 (47.9%) | 10 (14.1%) | 27 (38.0%) | 0.010b |
| ≥240 USD, n (%) | 197 (73.5%) | 112 (56.9%) | 45 (22.8%) | 40 (20.3%) | |
| Years worked as a truck driver | N = 284 | ||||
| Mean (SD)/Median (IQR) | 8.8 (7.1)/7.0 (7.0) | 9.2 (6.5)/8.0 (8.0) | 9.3 (8.0)/6.7 (6.8) | 7.6 (7.4)/4.2 (6.3) | 0.016a |
| Usually drives alone | N = 284 | ||||
| Yes, n (%) | 165 (58.1%) | 97 (58.8%) | 32 (19.4%) | 36 (21.8%) | 0.372b |
| No, n (%) | 119 (41.9%) | 60 (50.4%) | 27 (22.7%) | 32 (26.9%) | |
| Days away on road in past 30 days | N = 277 | ||||
| Mean (SD)/Median (IQR) | 21.6 (5.5)/23.0 (5.0) | 21.5 (5.6)/22.0 (5.0) | 21.7 (5.4)/22.0 (5.0) | 21.9 (5.5)/24.0 (5.0) | 0.766a |
| General self-efficacy (score) | N = 284 | ||||
| Mean (SD)/Median (IQR) | 36.5 (4.6)/39.0 (5.0) | 38.2 (2.9)/40.0 (3.0) | 35.3 (5.3)/37.0 (8.0) | 33.7 (5.6)/36.0 (10.5) | <0.001a |
| Alcohol use in past yeard | N = 284 | ||||
| Yes, n (%) | 152 (53.5%) | 79 (52.0%) | 38 (25.0%) | 35 (23.0%) | 0.168b |
| No, n (%) | 132 (46.5%) | 78 (59.1%) | 21 (15.9%) | 33 (25.0%) | |
| Drug use in past yeard | N = 283 | ||||
| Yes, n (%) | 9 (3.2%) | 0 (0.0%) | 1 (11.1%) | 8 (88.9%) | <0.001c |
| No, n (%) | 274 (96.8%) | 129 (47.1%) | 86 (31.4%) | 59 (21.5%) | |
| Number of sex partners in past 6 months | N = 268 | ||||
| Mean (SD)/Median (IQR) | 2.8 (4.1)/2.0 (3.0) | 2.6 (5.4)/2.0 (2.0) | 2.4 (1.7)/2.0 (2.0) | 3.5 (3.5)/2.0 (4.0) | 0.085a |
| Number of condomless sex partners in past 6 months | N = 275 | ||||
| Mean (SD)/Median (IQR) | 1.5 (1.6)/1.0 (1.0) | 1.2 (1.1)/1.0 (0.0) | 1.3 (1.1)/1.0 (0.0) | 2.2 (2.6)/1.0 (2.0) | 0.003a |
| None, n (%) | 40 (14.6%) | 23 (57.5%) | 11 (27.5%) | 6 (15.0%) | 0.038b |
| One, n (%) | 160 (58.2%) | 73 (45.6%) | 54 (33.8%) | 33 (20.6%) | |
| Two or more, n (%) | 75 (27.3%) | 27 (36.0%) | 21 (28.0%) | 27 (36.0%) |
Notes:
Some percentages may not add up to 100% due to rounding.
IQR, interquartile range; SD, standard deviation; USD, US dollars.
a
Kruskall–Wallis test.
b
Pearson’s Chi-square test.
c
Fisher’s exact test.
d
All participants who reported drug use also reported alcohol use. Drug use was not included in the regression models because of small numbers of participants in categories.