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Table 1 Socio-demographic characteristics among index cases and neighbors sleeping in at-risk sites of malaria, Phu Yen province, Vietnam, 2016

From: Targeting high risk forest goers for malaria elimination: a novel approach for investigating forest malaria to inform program intervention in Vietnam

Characteristics Category Index Case Neighbors Total p-value
Total n = 110 n = 197 n = 307
Age (year, mean ± SD) 36.6 ± 13.4 41.7 ± 14.8 39.8 ± 14.5 < 0.001
Gender (n, %) Male 90 (81.8) 143 (72.6) 233 (75.9) 0.070
Female 20 (18.2) 54 (27.4) 74 (24.1)
Ethnicity (n, %) Kinh 52 (47.3) 70 (35.5) 122 (39.7) 0.044
Cham 58 (52.7) 127 (64.5) 185 (60.3)
Education levels (n, %) Illiterate 25 (22.7) 60 (30.5) 85 (27.7) 0.147
Primary school 32 (29.1) 63 (32.0) 95 (30.9) 0.600
Secondary school 23 (20.9) 31 (15.7) 54 (17.6) 0.254
High school or above 30 (27.3) 43 (21.8) 73 (23.8) 0.283
Sleeping in the forest only n = 54 n = 39 n = 93  
Age (year, mean ± SD) 34.5 ± 10.5 40.5 ± 12.8 37 ± 11.8 < 0.01
Gender (n, %) Male 51 (94.4) 35 (89.7) 86 (92.5) 0.396
Female 3 (5.6) 4 (10.3) 7 (7.5)
Ethnicity (n, %) Kinh 40 (74.1) 35 (89.7) 75 (80.7) 0.059
Cham 14 (25.9) 4 (10.3) 18 (19.3)
Education levels (n, %) Illiterate 5 (9.2) 5 (5.3)  
Primary school 13 (24.1) 9 (23.1) 22 (22.7) 0.911
Secondary school 17 (31.5) 5 (12.8) 22 (22.7) 0.037
High school or above 19 (35.2) 25 (64.1) 44 (47.3) 0.006
Sleeping on the farm only n = 53 n = 151 n = 204  
Age (year, mean ± SD) 35.8 ± 16.3 43 ± 14.3 41.2 ± 15.2 0.003
Gender (n, %) Male 36 (67.9) 101 (66.9) 137 (67.2) 0.89
Female 17 (32.1) 50 (33.1) 67 (32.8)
Ethnicity (n, %) Kinh 10 (18.9) 32 (21.2) 42 (20.6) 0.719
Cham 43 (81.1) 119 (78.8) 162 (79.4)
Education levels (n, %) Illiterate 19 (35.8) 60 (39.7) 79 (38.7) 0.617
Primary school 19 (35.8) 50 (33.1) 69 (33.8) 0.717
Secondary school 6 (11.4) 25 (16.6) 31 (15.2) 0.361
High school or above 9 (17) 16 (10.6) 25 (12.3) 0.223
  1. SD Standard deviation