Variable

Item

Sperm concentration ≥ 15 × 10⁶/ml

Sperm concentration = 0 × 10⁶/ml

BMI (kg/m²)

Normal

Overweight

Obese

Normal

Overweight

Obese

Freq.

%

Freq.

%

Freq.

%

Freq.

%

Freq.

%

Freq.

%

Age group (years)

<30

2

1.3

2

0.9

0

0.0

0

0.0

1

1.7

1

3.5

30 - 39

55

37.2

75

32.0

23

32.4

9

39.1

22

36.7

8

30.8

40 - 49

70

47.3

113

48.3

41

57.7

10

43.5

23

38.3

14

53.9

50 - 59

20

13.5

39

16.7

7

9.9

3

13.0

12

20.0

3

11.5

≥60

1

0.7

5

2.1

0

0.0

1

4.4

2

3.3

0

0.0

Comparing azoospermia in age group < 30

Overweight vs. normal

χ² = 0.05*, P-value = 0.82, OR = undefined, 95% CI: undefined

Obese vs. normal

χ² = 0.19*, P-value = 0.67, OR = undefined, 95% CI: undefined

Comparing azoospermia in age group 30 - 39.9

Overweight vs. normal

χ² = 1.84, P-value = 0.17, OR = 1.79, 95% CI: 0.77, 4.19; RR = 1.61, 95% CI: 0.79, 3.27

Obese vs. normal

χ² = 1.96, P-value = 0.16, OR = 2.13, 95% CI: 0.73, 6.19; RR = 1.84, 95% CI: 0.78, 4.29

Comparing azoospermia in age group 40 - 49.9

Overweight vs. normal

χ² = 0.76, P-value = 0.38, OR = 1.42, 95% CI: 0.64, 3.17; RR = 1.35, 95% CI: 0.68, 2.70

Obese vs. normal

χ² = 3.74, P-value = 0.05, OR = 2.39, 95% CI: 0.97, 5.87; RR = 2.04, 95% CI: 0.98, 4.25

Comparing azoospermia in age group 50 - 59.9

Overweight vs. normal

χ² = 0.53*, P-value = 0.47, OR = 2.05, 95% CI: 0.52, 8.11; RR = 1.80, 95% CI: 0.56, 5.79

Obese vs. normal

χ² = 0.45*, P-value = 0.50, OR = 2.86, 95% CI: 0.46, 17.58; RR = 2.30, 95% CI: 0.56, 9.49

Comparing azoospermia in age group ≥ 60

Overweight vs. normal

χ² = 0.08*, P-value = 0.78, OR = 0.40, 95% CI: 0.02, 10.02; RR = 0.57, 95% CI: 0.09, 3.51

Obese vs. normal

χ² = 0.26*, P-value = 0.61, OR = undefined, 95% CI: undefined; OR = undefined, 95% CI: undefined