Skip to main content

Table 2 Selected characteristics of pregnant women according to hypothyroxinemia condition

From: Para-occupational exposure to pesticides, PON1 polymorphisms and hypothyroxinemia during the first half of pregnancy in women living in a Mexican floricultural area

Characteristics

All women

Hypothyroxinemia

p valuea

N = 381

Yes

n = 207

No

n = 174

Maternal Age (years)

 Mean ± SD

24.20 ± 5.7

24.83 ± 5.98

23.45 ± 5.26

0.02

Marital status n(%)

 Unitedb

338 (88.71)

188 (90.82)

150 (86.21)

0.16

 No united

43 (11.29)

19 (9.18)

24 (13.79)

 

Education n(%)

 Elementary school

76 (19.95)

53 (25.60)

23 (13.22)

< 0.01

 Middle school

189 (49.61)

105 (50.72)

84 (48.28)

 

  > Middle school

116 (30.45)

49 (23.67)

67 (38.51)

 

Gestational age (weeks)

 Mean ± SD

10.20 (2.80)

10.36 ± 2.83

9.99 ± 2.74

0.20

Body Mass Indexc

 Mean ± SD

24.50 (4.40)

24.85 ± 4.46

24.07 ± 4.30

0.08

Coffee intake n(%)

 Yes

293 (76.90)

153 (73.91)

140 (80.86)

0.13

 No

88 (23.10)

54 (26.09)

34 (19.54

 

Parity n(%)

 Primiparous

157 (41.21)

79 (38.16)

78 (44.83)

0.19

 Multiparous

224 (58.79)

128 (61.84)

96 (55.17)

 

Smoking n(%)

 Yes

123 (32.28)

57 (27.54)

66 (37.93)

0.03

 No

258 (67.72)

150 (72.46)

108 (62.07)

 

Alcohol intake n(%)

 Yes

253 (66.40)

137 (66.18)

116 (66.67)

0.92

 No

128 (33.60)

70 (33.82)

58 (33.33)

 

Iodine supplementationd n(%)

 Yes

43 (11.91)

24 (12.18)

19 (11.59)

0.86

 No

318 (88.09)

173 (87.82)

145 (88.41)

 

Sampling season n(%)

 Summer

181 (47.51)

108 (52.17)

73 (41.95)

0.05

 Winter

200 (52.49)

99 (47.83)

101 (58.05)

 
  1. aχ2 or Student t-test, except for BMI, where Mann Whitney test was used
  2. bUnited includes married and women in free union
  3. cAt time of interview
  4. dFrom 3 months before pregnancy until time of interview