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Table 3 Parents and family variables of infants with and without sleep disorders

From: How do maternal emotion and sleep conditions affect infant sleep: a prospective cohort study

Variables

N

Without sleep disorder

With sleep disorder

P

513

305 (59.5%)

208 (40.5%)

 

Mother

 Age (year)

29 (27–32)

29 (27–32)

29 (27–32)

0.970

 Education

  

0.071

  Non-high

357 (69.6)

203 (56.9)

154 (43.1)

 

  High

156 (30.4)

102 (65.4)

54 (34.6)

 

 BMI-1

20.3 (18.51–22.41)

20.40 (18.51–22.81)

20.07 (18.51–22.02)

0.25

 BMI-2

25.48 (23.44–27.84)

25.65 (23.63–27.91)

25.24 (23.31–27.64)

0.476

 BMI-3

22.31 (20.45–24.48)

22.31 (20.68–24.55)

22.27 (20.22–24.41)

0.773

 GDM

  

0.862

  No

405 (78.9)

240 (59.3)

165 (40.7)

 

  Yes

108 (21.1)

65 (60.2)

43 (39.8)

 

 HDCP

  

0.280

  No

474 (92.4)

285 (60.1)

189 (39.9)

 

  Yes

39 (7.6)

20 (51.3)

19 (48.7)

 

 Anemia

   

0.384

  No

378 (73.7)

229 (60.6)

149 (39.4)

 

  Yes

135 (26.3)

76 (56.3)

59 (43.7)

 

Father

 Age (year)

30 (28–34)

30 (28–34)

30 (28–35)

0.599

 BMI

23.03 (20.76–25.4)

23.11 (20.79–25.36)

22.86 (20.76–25.35)

0.604

 Education

   

0.03

  Non-high

365 (71.2)

202 (55.3)

163 (44.7)

 

  High

148 (28.8)

103 (69.6)

45 (30.4)

 

Family

 Income

   

0.485

  Low

242 (47.2)

140 (57.9)

102 (42.1)

 

  High

271 (52.8)

165 (60.9)

106 (39.1)

 

 Residential Area

   

0.11

  Low

289 (56.3)

163 (56.4)

126 (43.6)

 

  High

224 (43.7)

142 (63.4)

82 (36.6)

 

 Smoking

   

0.12

  No

191 (37.2)

122 (63.9)

69 (36.1)

 

  Yes

322 (62.8)

183 (56.8)

139 (43.2)

 
  1. BMI body mass index, BMI-1 BMI before pregnancy, BMI-2 BMI before delivery, BMI-3 BMI 1 month after delivery, GDM gestational diabetes mellitus, HDCP hypertensive disorder complicating pregnancy; Income: less than 5000 yuan is defined as low income, Residential Area: less than 120 m2 is defined as a low residential area