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Table 1 Sample size and study subject characteristics by region and survey month. Sample size (N) reported as number of individuals in each village for each monthly survey and total number of compounds (with compound defined as a collection of households centrally located around a main residence). Study subject characteristics reported as number and percentage of individuals out of total individuals in each monthly survey. Dashed lines indicate survey months where serological analysis was not conducted in the West Coast Region

From: Antibody responses to a suite of novel serological markers for malaria surveillance demonstrate strong correlation with clinical and parasitological infection across seasons and transmission settings in The Gambia

  July 2013 December 2013 April 2014 December 2014  
West Coast Region (WCR)
 Sample size (N) Individuals Compounds
Besse 400 387 69
NDemban 134 137 24
 Subtotal WCR 534 524 93
Gender, n (%)
 Male 240 (46.5) 226 (45.0)  
 Female 276 (53.5) 276 (55.0)  
Age category, n (%)
 < 5 years 111 (21.4) 104 (20.6)  
 5–15 years 186 (35.9) 194 (38.4)  
 > 15 years 221 (42.7) 207 (41.0)  
LLIN use 24 h, n (%) 517 (96.8) 490 (94.2)  
Upper River Region (URR)
 Sample size (N) Individuals Compounds
Njaiyal 381 180 290 283 28
Madina Samako 397 448 509 454 43
 Subtotal URR 778 628 799 737 71
Gender, n (%)
 Male 371 (47.9) 285 (45.7) 392 (49.4) 352 (47.9)  
 Female 403 (52.1) 339 (54.3) 402 (50.6) 383 (52.1)  
Age category, n (%)
 < 5 years 164 (21.5) 143 (23.3) 183 (23.3) 169 (23.5)  
 5–15 years 260 (34.1) 233 (37.9) 294 (37.5) 252 (35.0)  
 > 15 years 338 (44.4) 239 (38.9) 308 (39.2) 299 (41.5)  
LLIN use 24 h, n (%) 278 (46.6) 244 (41.8) 278 (46.6) 294 (44.0)