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Table 2 Baseline socio-demographic characteristics of study participants

From: Micro-heterogeneity of malaria transmission in the Peruvian Amazon: a baseline assessment underlying a population-based cohort study

  Lupuna (LUP) Cahuide (CAH) Total
n % n % n %
Gender
 Female 406 49.0 510 45.9 916 47.2
 Male 423 51.0 602 54.1 1025 52.8
Age (years)*
 <5 55 6.6 88 7.9 143 7.4
 5–14.9 196 23.6 336 30.3 532 27.5
 15–24.9 158 19.1 191 17.2 349 18.0
 25–39.9 159 19.2 215 19.4 374 19.3
 40–54.9 132 15.9 164 14.8 296 15.3
 >55 129 15.6 115 10.4 244 12.6
 Missing 0   3   3  
Time in village (age ≥ 10 years)*
 <2 26 3.9 207 24.6 233 15.4
 2–9.9 74 11.1 288 34.2 362 24.0
 ≥10 567 85.0 348 41.3 915 60.6
 Missing 3   3   6  
Education (age ≥ 18 years)*
 None 21 4.0 25 4.1 46 4.0
 Incomplete primary 130 24.9 200 32.6 330 29.0
 Complete primary 126 24.1 187 30.5 313 27.6
 Secondary 226 43.2 185 30.2 411 36.2
 Superior 20 3.8 16 2.6 36 3.2
 Missing 3   3   6  
Main occupation (age ≥ 18 years)*
 None 29 5.6 21 3.4 50 4.4
 Student 24 4.6 9 1.5 33 2.9
 Housewife 124 23.9 145 23.7 269 23.8
 Trader 47 9.1 65 10.6 112 9.9
 Labourer, employee 72 13.9 88 14.4 160 14.2
 Guardian 2 0.4 43 7.0 45 4.0
 Farmer 178 34.4 180 29.4 358 31.7
 Logger 22 4.2 55 9.0 77 6.8
 Fisher, hunter 13 2.5 5 0.8 18 1.6
 Boat driver 7 1.4 1 0.2 8 0.7
 Missing 8   4   12  
Lifetime malaria episodes*
 0 215 26.6 365 33.0 580 30.3
 1 133 16.5 314 28.4 447 23.3
 2–3 175 21.7 271 24.5 446 23.3
 ≥4 285 35.3 157 14.2 442 23.1
 Missing 21   5   26  
Malaria episodes (previous 12 months)*
 0 704 85.9 566 51.1 1270 65.9
 1 93 11.3 429 38.7 522 27.1
 2–3 22 2.7 100 9.0 122 6.3
 ≥4 1 0.1 13 1.2 14 0.7
 Missing 9      
  1. * Significant difference between sites (p < 0.05)