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Table 1 Reported ITN use and sleeping patterns amongst study participants

From: Why using bed nets is a challenge among minority populations in Central Vietnam

Individual survey (N = 141) n % 95% CI
Gender
 Female 74 52.5 [44.1; 60.8]
 Male 67 47.5 [39.2; 55.9]
Age
 Median age of adults, range, IQR (N = 80) 27, (16; 88), IQR: 22–38
 Median age of children, range, IQR (N = 61) 7 (1; 15), IQR: 3–10
Ethnicity
 Ca Dong 9 6.4 [2.3; 10.5]
 M’nong 132 93.6 [89.5; 97.7]
Education (N = 117, excluding children under 6)
 Not having attended any school 18 15.4 [8.7; 22.1]
 Attended primary school 49 41.9 [32.8; 50.9]
 Attended secondary school 34 29.0 [20.7; 37.1]
 Attended high school 7 6.0 [1.6; 10.3]
 No answer 9 7.7 [2.7; 12.5]
Reported frequency of sleeping under a hung-up net (N = 141)
 Always 109 77.3 [69.7; 83.4]
 Sometime 12 8.5 [4.9; 14.3]
 Never 20 14.2 [9.4; 20.9]
Reported reasons to sleep under a hung-up net (N = 121)
 Warmth 2 1.6 [0.3; 7.9]
 Protection from malaria 73 60.3 [47.0; 69.7]
 Nuisance of mosquitoes/small insects 9 7.5 [1.5; 12.2]
 Protection from mosquitoes, but I don't know why 15 12.4 [7.1; 23.2]
 Fever 7 5.8 [2.3; 14.2]
 Other/No answer 15 12.4 [7.7; 19.4]
Reported ITN use the night before the survey (N = 141)
 Yes 116 82.2 [75.8; 24.1]
 No 25 17.7 [11.3; 24.1]
If yes, reported using the ITN as a blanket or a hung-up net? (N = 116)
 As a hung-up net 9 7.8 [2.8; 9.7]
 As a blanket 107 92.2 [87.3; 97.1]
Household survey (N = 80) n % 95% CI
Median number of people in the household Range, IQR 5 (1; 10); IQR: 4–6
Median number of people per net Range, IQR 2; (0; 5); IQR: 2–3
Observed ownership of ITNs in households (N = 80)
 No answer 2 2.5  
 1–2persons/net 58 72.5 [62.5; 82.5]
 ≥ 3 persons/net 20 25 [15.3; 34.7]
Observed status of ITNs in households (N = 78)
 Intact nets 19 24.3 [14.61 34.1]
 Less than 50% 8 10.2 [3.45; 17.14]
 More than 50% (< 100%) 25 32.0 [21.6; 42.6]
 100% nets were broken 26 33.3 [22.6; 44.0]
Reported frequency of ITN washing (N = 78)
 Every week 28 35.9 [26.1; 47.0]
 Once every 2 weeks 17 21.8 [14.1; 32.1]
 Once every 3–4 weeks 24 30.8 [21.6; 41.7]
 Less than once a month 9 11.5 [6.2; 20.5]
Reported duration until the ITN was broken (N = 78)
 < 6 months 1 1.3 [0.2; 6.9]
 7–12 months 13 16.7 [1.0; 26.4]
 13–24 months 29 37.2 [27.3; 48.3]
 ≥ 25 months 35 44.9 [34.3; 55.9]
Reported alternative use of broken ITNs (N = 59)
 Baby carrier 6 10.2 [3.8; 20.8]
 Scrubbing the floor 15 25.4 [14.9; 38.4]
 Blanket 20 33.9 [22.0; 47.3]
 Pillow 29 49.2 [35.8; 62.5]
 Fishing net 17 28.8 [17.7; 42.0]
Participants who reported to sleep around the kitchen fire (N = 80)
 Yes 48 60.0 [49.02; 71.0]
 No 32 40.0 [29.02; 51.0]
Participants who reported that smoke in the kitchen drove mosquitoes away (N = 80)
 Yes 60 75.0 [65.3; 84.7]
 No 19 23.8 [14.2; 33.3]
 No answer 1 1.3