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Table 1 General characteristics of participants across the tertiles of Animal protein and Plant protein

From: Plant and animal protein intake and its association with depression, anxiety, and stress among Iranian women

  

Plant protein

P- value

Animal protein

P- value

 

Total

(N = 489)

T1

≤ 25.1

(N = 170)

T2

25.2–33.1

(N = 171)

T3

≥ 33.2

(N = 148)

 

T1

≤ 32.1

(N = 165)

T2

32.2–42.8

(N = 170)

T3

≥ 42.9

(N = 154)

 

Age (year)

31.82 ± 7.68

31.20 ± 7.95

31.97 ± 7.38

32.37 ± 7.70

0.38

31.55 ± 7.86

31.45 ± 7.67

32.51 ± 7.50

0.39

BMI (kg/m2)

24.45 ± 4.51

23.66 ± 3.94

24.35 ± 4.59

25.47 ± 4.86

0.002

23.74 ± 4.32

24.52 ± 5.99

25.12 ± 4.91

0.02

Weight (kg)

64.41 ± 12.00

62.72 ± 10.89

64.42 ± 12.25

66.33 ± 12.68

0.02

62.53 ± 11.41

64.81 ± 12.03

65.98 ± 12.37

0.03

Physical activity (Met.h/d)

39.88 ± 6.76

38.86 ± 5.90

40.67 ± 7.14

40.13 ± 7.12

0.05

39.39 ± 6.29

39.79 ± 6.58

40.51 ± 7.42

0.34

Socioeconomic status (n (%))

    

0.05

   

0.73

Low

42 (8.6)

22 (52.5)

12 (28.5)

8 (19)

 

15 (38.8)

17 (34.5)

10 (26.7)

 

Medium

179 (36.6)

56 (31.3)

76 (42.5)

47 (26.2)

 

66 (43.1)

60 (33.0)

53 (23.9)

 

High

268 (54.8)

92 (34.3)

83 (31)

93 (34.7)

 

84 (33.5)

93 (32.3)

91 (34.2)

 

Marital status (n (%))

    

0.06

   

0.48

Single

178 (36.4)

66 (37)

70 (39.3)

42 (23.7)

 

69 (38.7)

59 (33.3)

50 (28)

 

Married

311 (63.6)

105 (33.7)

101 (32.6)

105 (33.7)

 

96 (30.8)

111 (35.6)

104 (33.6)

 

Education status (n (%))

    

0.01

   

0.96

≤Diploma

166 (33.9)

54 (32.5)

50 (30.2)

62 (37.3)

 

59 (35.5)

57 (34.3)

50 (30.2)

 

>Diploma

323 (66.1)

122 (37.7)

118 (36.5)

83 (25.8)

 

109 (33.7)

112 (34.6)

102 (31.7)

 

Supplement use (n (%))

    

0.24

   

0.59

Yes

193 (39.4)

73 (38)

72 (37.2)

48 (24.8)

 

66 (34.1)

65 (33.6)

62 (32.3)

 

No

296 (60.6)

97 (32.7)

99 (33.4)

100 (33.9)

 

99 (33.4)

105 (35.4)

92 (31.2)

 

Drug Use

    

0.80

   

0.81

Yes

41 (8.4)

16 (9.4)

14 (8.2)

11 (7.4)

 

16 (9.7)

14 (8.2)

11 (7.1)

 

No

448 (91.6)

154 (90.6)

157 (91.8)

137 (92.6)

 

149 (90.3)

156 (91.8)

143 (92.9)

 
  1. Values are mean ± SD for continuous variables and number (percentage) for dichotomous variables
  2. Using one-way ANOVA for continuous variables and Chi-square test for categorical variables
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