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Table 2 Characteristics and risk factors for stunting univariate analysis

From: Stunting and soil-transmitted-helminth infections among school-age pupils in rural areas of southern China

Characteristics

number of students(%)

number of stunting1(%)

OR(95%CI)

Total

1031

264(25.6)

 

Age

   

   9-

181 (17.6)

26(14.4)

1.00

   10-

239 (23.2)

35(14.6)

1.02(0.59,1.77)

   11-

285 (27.6)

58(20.4)

1.52(0.92,2.53)

   12-

326 (31.6)

145(44.5)

4.78(2.99,7.64)

Sex

   

   Female

483 (46.8)

117(24.2)

1.00

   Male

548 (53.2)

147(26.8)

1.15(0.87,1.52)

Education level of mother

   

   Junior high school and above 391 (37.9)

 

88(22.5)

1.00

   Primary school and below

640 (62.1)

176(27.5)

1.31(0.97,1.75)

Anaemia2

  

   No

896 (86.9)

209(23.3)

1.00

   Yes

135(13.1)

55(40.7)

2.26(1.55,3.29)

STH infections

   

   No

653 (63.3)

148(22.7)

1.00

   Yes

378 (36.7)

116(30.7)

1.51(1.14,2.01)

Ascaris infection only

   

   Non-infection

653 (63.3)

148(22.7)

1.00

   Yes

115(11.2)

46(40.0)

2.28(1.80,3.45)

Hookworm infection only

   

   Non-infection

653 (63.3)

148(22.7)

1.00

   Yes

121 (11.7)

24(19.8)

0.84(0.52,1.37)

Trichuris infection only

   

   Non-infection

653 (63.3)

148(22.7)

1.00

   Yes

51 (4.9)

23(45.1)

2.8(1.57,5.01)

Moderate-to-heavy infection

   

   Non-infection

653 (63.3)

148(22.7)

1.00

   Yes

173 (16.7)

67(39.9)

2.16(1.50,3.08)

Co-infection

   

   Non-infection

653 (63.3)

148(22.7)

1.00

   One infection

287 (27.8)

93(32.4)

2.74(1.97,3.80)

   Two-Three infection

94 (9.1)

22 (23.4)

1.04(0.63,1.74)

  1. 1 Stunting was defined as z-scores < -2 standard deviation.
  2. 2 Anaemia was defined as a haemoglobin concentration <12 g/dl.