Table 4

Factors associated with respiratory infection (RI)
Variable         RI p-value OR 95% CI
Yes n (%)  No n (%)
 N = 317 N = 8,797
Sex: - Male 168 (53) 4,375 (50) 1
  - Female 149 (47) 4,422 (50) 0.25 0.9 0.7 - 1.1
Ethnic group: - Lao Loom 143 (45) 5,203 (59) 1
      - Hmong 13 (4) 1,155 (13) <0.001 2.4 1.9 - 3.0
      - Other ethnic groups 161 (51) 2,439 (28) 0.002 0.4 0.2 - 0.7
Age group (years): < 5 77 (24) 861 (10) <0.001 3.2 2.4 - 4.3
        5–14 72 (23) 1,858 (21) 0.01 1.4 1.0 - 1.8
        ≥15 168 (53) 6,078 (69) 1
Location: - Vientiane Capital 100 (31) 3,511 (40) 1
     - Vientiane Province 56 (18) 2,865 (33) 0.03 0.6 0.4 - 0.9
     - Sayabouli 70 (22) 1,657 (19) 0.01 1.4 1.1 - 2.0
     - Sekong 91 (29) 764 (7) <0.001 4.2 3.1 - 5.6
Wealth index: - Low 209 (66) 4,821 (55) 0.08 1.3 0.9 - 1.8
      - Moderate 61 (19) 2,526 (29) 0.13 0.7 0.5 - 1.1
      - High 47 (15) 1,450 (16) 1
Household head education level:
- Primary school 136 (43) 2,567 (29) <0.001 2.2 1.5 - 3.3
- Secondary school 146 (46) 4,718 (54) 0.12 1.3 0.9 - 1.9
- College/university 35 (11) 1,512 (17) 1
Smoky environment inside house:
- No stove inside 77 (24) 3,458 (39) 0.01 0.6 0.4 - 0.9
- No smoke 44 (14) 1,249 (14) 1
- Some smoke 92 (29) 2,736 (31) 0.80 0.9 0.6 - 1.3
- Very smoky 104 (33) 1,354 (15) <0.001 2.1 1.5 - 3.1
Animal slaughtering in the past 30 days in household:
- No 238 (75) 6,547 (74) 1
- Yes (without protection) 8 (3) 169 (2) 0.47 1.3 0.6 - 2.6
- Yes (with protection) 71 (22) 2,081 (23) 0.64 0.9 0.7 - 1.2
Butchering and cooking animal in the past 30 days in household:
- No 111 (35) 2,278 (26) 1
- Yes (without protection) 4 (1) 114 (1) 0.52 0.7 0.2 - 1.9
- Yes (with protection) 202 (64) 6,405 (73) <0.001 0.6 0.5 - 0.8
Animal died in the past 30 days in household:
- No animal in household 49 (15) 1,722 (20) 1
- No animal died 232 (73) 6,554 (74) 0.17 1.2 0.9 - 1.7
- Animal died 36 (11) 521 (6) <0.001 2.4 1.5 - 3.7

Mayxay et al.

Mayxay et al. BMC Public Health 2013 13:444   doi:10.1186/1471-2458-13-444

Open Data