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Table 6 Adjusted odds ratios for being HVUSqPCR positive (n = 967), stratified by site, using random effects modelling (n total = 4807)

From: The epidemiology of subclinical malaria infections in South-East Asia: findings from cross-sectional surveys in Thailand–Myanmar border areas, Cambodia, and Vietnam

Factor No. HVUSqPCR positive with factor (%) No. HVUSqPCR positive without factor (%) Adj. odds ratio 95 % CI
History of fever 105/356 (30 %) 862/4451 (19 %) 1.98 1.54, 2.56
Male 577/2373 (24 %) 390/2434 (16 %) 1.71 1.47, 1.98
Age ≥15b 651/3065 (21 %) Comparatorb 1.69 1.34, 2.13
  1. Initial model included anaemia (mild, moderate, none), fever at the time of the surveya (0/1), history of fever (0/1), sex, occupation (0/1), family member (0/1) and age group (<6-month-old, 6-year-old–<15-year-old, and ≥15-year-old)
  2. aTemperature >37.5 °C
  3. bCompared against age <6-year-old [113/616 (18 %)]; age 6-year-old–<15-year-old not significant [203/1126 (18 %), p = 0.11]