Table 1 Socio-economic demographic of participants
Characteristics | Dien Bien | Lai Chau | Yen Bai | Total | p-value | ||||
|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | ||
Age group | |||||||||
  < 30 | 18 | 17.8 | 25 | 25.0 | 8 | 8.1 | 51 | 17.0 | < 0.01 |
 30–39 | 43 | 42.6 | 36 | 36.0 | 29 | 29.3 | 108 | 36.0 |  |
 40–49 | 29 | 28.7 | 29 | 29.0 | 49 | 49.5 | 107 | 35.7 |  |
  ≥ 50 | 11 | 10.9 | 10 | 10.0 | 13 | 13.1 | 34 | 11.3 |  |
Ethnicity | |||||||||
 Kinh | 62 | 61.4 | 39 | 39.0 | 75 | 75.8 | 176 | 58.7 | < 0.01 |
 Tay | 2 | 2.0 | 2 | 2.0 | 10 | 10.1 | 14 | 4.7 |  |
 Thai | 35 | 34.7 | 41 | 41.0 | 5 | 5.1 | 81 | 27.0 |  |
 Others | 2 | 2.0 | 18 | 18.0 | 9 | 9.1 | 29 | 9.7 |  |
Education | |||||||||
  < High school | 55 | 54.5 | 73 | 73.0 | 40 | 40.8 | 168 | 56.2 | < 0.01 |
 High school | 38 | 37.6 | 20 | 20.0 | 47 | 48.0 | 105 | 35.1 |  |
  > High school | 8 | 7.9 | 7 | 7.0 | 11 | 11.2 | 26 | 8.7 |  |
Marital status | |||||||||
 Single | 31 | 30.7 | 28 | 28.0 | 20 | 20.2 | 79 | 26.3 | 0.01 |
 Live with spouse/ partner | 56 | 55.5 | 66 | 66.0 | 55 | 55.6 | 177 | 59.0 |  |
 Widow/ Divorced | 14 | 13.9 | 6 | 6.0 | 24 | 24.2 | 44 | 14.7 |  |
Occupation | |||||||||
 Unemployment | 8 | 7.9 | 7 | 7.0 | 9 | 9.1 | 24 | 8.0 | 0.14 |
 Freelancer | 83 | 82.2 | 88 | 88.0 | 78 | 78.8 | 249 | 83.0 |  |
 Worker/ White-collar worker | 1 | 1.0 | 1 | 1.0 | 7 | 7.1 | 9 | 3.0 |  |
 Others | 9 | 8.9 | 4 | 4.0 | 5 | 5.1 | 18 | 6.0 |  |