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Table 2 Results of multivariate logistic regression analysis for risk factors during the outbreak, Aidao Rubber Plantation, Shan Special Region II of Myanmar (N = 90)

From: Investigation and control of a Plasmodium falciparum malaria outbreak in Shan Special Region II of Myanmar along the China-Myanmar Border from June to December 2014

  P. falciparum (%, 95 % CI) RDT positivity (%, 95 % CI) OR (95 % CI) P-value Adjusted OR (95 % CI) P-value
Sex
 Female (n = 48) 20 (41.7, 27.6–56.8) 33 (68.8, 53.7–81.3) 1 - 1 -
 Male (n = 42) 18 (42.9, 27.7–59.0) 32 (76.2, 60.5–87.9) 1.45 (0.52–4.12) 0.5821 1.27 (0.40–4.39) 0.6120
Age (years)
 46–74 (n = 11) 2 (18.1, 2.3–51.8) 3 (27.3, 6.0–61.0) 1 - 1 -
 15–45 (n = 47) 18 (38.3, 24.5–53.6) 35 (74.5, 59.7–86.1) 7.78 (1.50–45.18) 0.0052 7.75 (1.48–44.97) 0.0049
 0–14 (n = 32) 18 (56.3, 37.7–73.6) 27 (84.4, 67.2–94.7) 14.4 (2.27–107.82) 0.0010 13.51 (2.21–105.89) 0.0013
Overnight in other places from May 1 to June 19, 2014
 Yes (n = 12) 5 (15.2, 5.1–31.8) 8 (66.7, 34.9–90.1) 1 - 1 -
 No (n = 78) 33 (42.3, 31.2–54.0) 57 (73.1, 61.8–82.5) 1.36 (0.30–5.74) 0.7316 1.08 (0.25–47.32) 0.8154
Seeking treatment from the private healer within 10 days
 No (n = 31) 18 (58.1, 39.1–73.6) 16 (51.6, 33.1–69.8) 1 - 1 -
 Yes (n = 59) 20 (33.9, 22.1–47.4) 49 (83.2, 71.0–91.6) 4.59 (1.55–13.77) 0.0035 3.78 (1.30–46.18) 0.0045
Ownership of bed nets
 Yes(n = 16) 4 (25.0, 7.3–52.4) 7 (43.8, 19.8–70.9) 1 - 1 -
 No(n = 74) 34 (45.9, 34.3–57.9) 58 (78.4, 67.3–87.2) 4.66 (1.31–16.80) 0.0125 3.21 (1.21–15.19) 0.0157
Type of roof
 Asbestos tile (n = 13) 3 (23.1, 5.0–53.8) 8 (61.5, 31.6–86.1) 1   1 -
 Grass (n = 77) 35 (45.5, 34.1–57.2) 57 (74.0, 63.3–82.9) 1.78 (0.44–7.01) 0.3400 1.59 (0.50–9.18) 0.4152
  1. Note: RDT positivity is the outcome (dependent) variable