Table 1 Demographic characteristics of the study participants
Parameter | Overall | Cambodia | Lao PDR | χ2b | P-value c |
|---|---|---|---|---|---|
n (%) | n (%) | n (%) | |||
Number of subjects | 377 (100) | 196 (52.0) | 181 (48.0) | ||
Age (years) | |||||
Median (IQR)a | 25 (12–44) | 14 (11–35) | 35 (15–47) | NA | NA |
Sex | |||||
Male | 180 (47.8) | 101 (51.5) | 79 (43.7) | ||
Female | 197 (52.3) | 95 (48.5) | 102 (56.4) | 2.3 | 0.126 |
Age group (years) | |||||
≤ 9 | 40 (10.6) | 25 (12.8) | 15 (8.3) | ||
10–16 | 116 (30.8) | 82 (41.8) | 34 (18.8) | ||
17–36 | 92 (24.4) | 43 (21.9) | 49 (27.1) | ||
37–50 | 68 (18.0) | 22 (11.2) | 46 (25.4) | ||
≥ 51 | 61 (16.2) | 24 (12.2) | 37 (20.4) | 33.5 | <0.001 |
Educational level | |||||
Illiterate | 11 (2.9) | 0 | 11 (6.1) | ||
Primary school | 201 (53.3) | 101 (51.5) | 100 (55.3) | ||
Secondary school | 134 (35.5) | 95 (48.5) | 39 (21.6) | ||
High school | 23 (6.1) | 0 | 23 (12.7) | ||
Technical school or higher | 8 (2.1) | 0 | 8 (4.4) | 64.9 | <0.001 |
Occupation | |||||
Farmer/fisherman | 231 (61.3) | 101 (51.5) | 130 (71.8) | ||
Student | 146 (38.7) | 95 (48.5) | 51 (28.2) | 16.3 | <0.001 |