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Table 1 Characteristics of 818 community children aged 6-60 months and estimated prevalence of S. pneumoniae nasopharyngeal carriage.

From: Decreased Streptococcus pneumoniae susceptibility to oral antibiotics among children in rural Vietnam: a community study

Characteristics   Absolute number with percentage in bracket
   Participating children
(% among total)
S. pneumoniaecarrier
(% within group)
Sex Female 373 (46) 187 (50)
  Male 445 (54) 234 (53)
Age 6-23 months 367 (45) 203 (55)*
  24-60 months 451 (55) 218 (48)*
Region Lowland 268 (32) 145 (54)
  Highland 275 (34) 146 (53)
  Mountains 275 (34) 130 (47)
Households' economic status Under average 358 (44) 196 (55)
  Average or upper 460 (56) 225 (49)
ARI symptoms at the sampling time No presence 560 (68) 265 (47)*
  Presence 258 (32) 156 (61)*
Other observation § No presence 650 (80) 340 (52)
  Presence 168 (20) 81 (48)
Previous antibiotic use within 3 weeks No 341 (42) 183 (54)
  Yes 477 (58) 238 (50)
  Total 818 (100) 421 (52)
  1. * Significant different between groups using χ2 test (p < 0.05).
  2. § Other observations: Non-ARI symptoms such as digestive disorder, skin rash, toothache, phymosis.