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Table 1 Sample characteristics among respondents uninfected and infected by intestinal worms, n (%)

From: Association between intestinal worm infection and malnutrition among rural children aged 9–11 years old in Guizhou Province, China

Characteristics Uninfected (%) Infected (%) Chi-square P value
Gender (N = 2179)    2.2062 0.137
 Female 602 (27.63%) 404 (18.54%)   
 Male 665 (30.52%) 508 (23.31%)   
Ethnic minority (N = 2179)    0.0988 0.753
 No 126 (5.78%) 87 (3.99%)   
 Yes 1141 (52.36%) 825 (37.86%)   
Grade (N = 2179)    4.4469 0.035**
 1–3 559 (25.65%) 444 (20.38%)   
 4+ 708 (32.49%) 468 (21.48%)   
Boarding (N = 2175)    9.6265 0.002***
 No 966 (44.41%) 641 (29.47%)   
 Yes 299 (13.75%) 269 (12.37%)   
Migrant mother (N = 2179)    22.0939 0.000***
 No 717 (32.91%) 607 (27.86%)   
 Yes 550 (25.24%) 305 (14.00%)   
Migrant father (N = 2179)    20.4335 0.000***
 No 683 (31.34%) 580 (26.62%)   
 Yes 584 (26.80%) 332 (15.24%)   
Household size (N = 2179)    2.4913 0.114
 2–4 382 (17.53%) 304 (13.95%)   
 5+ 885 (40.61%) 608 (27.90%)   
Number of siblings (N = 2179)    0.0590 0.808
 0 282 (12.94%) 207 (9.50%)   
 1+ 985 (45.20%) 705 (32.35%)   
  1. Note: *** and ** indicated 0.01 and 0.05 significance level, respectively