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Table 4 Characteristics of the Choma district case and control study populations

From: A method of active case detection to target reservoirs of asymptomatic malaria and gametocyte carriers in a rural area in Southern Province, Zambia

  Case Control
Total Homesteads Screened 10 24
Mean no. people screened per homestead 8.7 5.9
  (median = 8, min = 3, max = 16) (median = 5.5, min = 1, max = 13)
N 87 141
≤ 5 years old (%) 20 (23.0) 33 (23.4)
> 5 years old (%) 67 (77.0) 108 (76.6)
Mean age   
≤ 5 years old (range) 2.6 (0-5) 2.73 (0-5)
> 5 years old (range) 22.33 (6-77) 25.53 (6-77)
Sex, n male (%) 44 (50.6) 69 (48.9)
≤ 5 years old 11 (55.0) 15 (45.4)
> 5 years old 33 (49.0) 54 (50.0)
Reported taking malaria meds in last 2 weeks n (%) 0 43/141 (30.5)
Self reported bed net use (%) 36/58 (62.1) 43/129 (33.0)
≤ 5 years old 10/18 (55.6) 35/113 (31.0)
> 5 years old 26/40 (65.0) 8/16 (50.0)
Reported ever IRS n (%) 8/86 (9.3) 0