Table 1 Demographic, selected medical and laboratory characteristics of study participants (n = 9932).

From: Prevalence of dyslipidemia and its association with opium consumption in the Rafsanjan cohort study

Characteristics

All (n = 9932)

Non-dyslipidemia (n = 2649)

Dyslipidemia (n = 7283)

p value

Age—yr—no. (%)

   

< 0.001

35–45

3695 (37.20)

1282 (48.40)

2413 (33.13)

 

46–55

3055 (30.56)

741 (27.97)

2314 (31.77)

 

≥ 56

3182 (32.04)

626 (23.63)

2556 (35.10)

 

Mean ± SD

49.94 ± 9.56

47.04 ± 9.68

50.46 ± 9.45

< 0.001

Gender—no. (%)

   

< 0.001

Female

5307 (53.43)

1294 (48.85)

4013 (55.10)

 

Male

4625 (46.57)

1355 (51.15)

3270 (44.90)

 

Education—no. (%)

   

< 0.001

 ≤ 5 years

3478 (35.05)

784 (29.62)

2694 (37.02)

 

6–12 years

4811 (48.48)

1385 (52.32)

3426 (47.08)

 

≥ 13 years

1635 (16.48)

478 (18.06)

1157 (15.90)

 

Physical activity—no (%)

   

< 0.001

Low

2540 (25.57)

571 (21.56)

1969 (27.04)

 

Moderate

4912 (49.46)

1239 (46.77)

3673 (50.43)

 

Heavy

2480 (24.97)

839 (31.67)

1641 (22.53)

 

Mean ± SD

38.77 ± 6.35

40.01 ± 7.28

38.55 ± 6.14

< 0.001

BMI—no. (%)

    

< 25

2862 (28.84)

1199 (45.31)

1663 (22.85)

 

25–29.9

4069 (41.00)

925 (34.96)

3144 (43.19)

 

 ≥ 30

2994 (30.17)

522 (19.73)

2472 (33.96)

 

Mean ± SD

27.83 ± 4.92

25.64 ± 5.02

28.21 ± 4.81

< 0.001

Wealth score index—no (%)

  

0.072

 

Low

2321 (23.39)

646 (24.42)

1675 (23.02)

 

Low-middle

2848 (28.71

708 (26.77)

2140 (29.41)

 

Middle-high

3980 (40.12)

1082 (40.91)

2898 (39.83)

 

High

772 (7.78)

209 (7.90)

563 (7.74)

 

Marital status—no. (%)

   

< 0.001

Single

780 (7.85)

160 (6.04)

620 (8.51)

 

Married

9152 (92.15)

2489 (93.96)

6663 (91.49)

 

Alcohol consumption—no. (%)

   

0.029

Yes

985 (9.99)

291 (11.08)

694 (9.59)

 

No

8878 (90.01)

2335 (88.92)

6543 (90.41)

 

Cigarette smoking—no. (%)

   

< 0.001

Current

1667 (16.90)

533 (20.30)

1134 (15.67)

 

Former

862 (8.74)

220 (8.38)

642 (8.87)

 

Never

7334 (74.36)

1873 (71.33)

5461 (75.46)

 

Opium consumption—no. (%)

   

< 0.001

Yes

2324 (23.56)

696 (26.50)

1628 (22.50)

 

No

7539 (76.44)

1930 (73.50)

5609 (77.50)

 

Route of opium consumption—no. (%)

   

< 0.001

Non-user

7596 (76.48)

1947 (73.50)

5649 (77.56)

 

Smoking

191 (1.92)

71 (2.68)

120 (1.65)

 

Oral

2145 (21.60)

631 (23.82)

1514 (20.79)

 

Duration of opium consumption—no. (%)

   

< 0.001

Non-user

7627 (76.79)

1962 (74.07)

5665 (77.78)

 

Users

    

 ≤ mean

1255 (12.64)

348 (13.14)

907 (12.45)

 

 > mean

1050 (10.57)

339 (12.80)

711 (9.76)

 

Dose of opium consumption—no. (%)

   

< 0.001

Non-user

7627 (76.79)

1962 (74.07)

5665 (77.78)

 

Users

    

 ≤ mean

1392 (14.02)

382 (14.42)

1010 (13.87)

 

 > mean

913 (9.19)

305 (11.51)

608 (8.35)

 

Hypertension—no. (%)

   

< 0.001

Yes

2231 (22.57)

324 (12.30)

1907 (26.31)

 

No

7652 (77.43)

2311 (87.70)

5341 (73.69)

 

Diabetes—no. (%)

   

< 0.001

Yes

2858 (28.93)

448 (17.01)

2410 (33.26)

 

No

7021 (71.07)

2185 (82.99)

4836 (66.74)

 

Renal failure—no. (%)

   

0.048

Yes

9829 (99.45)

8 (0.30)

46 (0.63)

 

No

54 (0.55)

2627 (99.70)

7202 (99.37)

 

Hepatitis—no. (%)

   

0.052

Yes

28 (0.28)

12 (0.46)

16 (0.22)

 

No

9855 (99.72)

2623 (99.54)

7232 (99.78)

 

CVD history—no. (%)

   

< 0.001

Yes

1025 (10.37)

134 (5.09)

891 (12.29)

 

No

8858 (89.63)

2501 (94.91)

6357 (87.71)

 

Fatty liver—no. (%)

   

< 0.001

Yes

1008 (10.20

168 (6.38)

840 (11.59)

 

No

8875 (89.80)

2467 (93.62)

6408 (88.41)

 

Taking hepatotoxic drugs—no. (%)

   

< 0.001

Yes

2378 (24.06)

266 (10.09)

2112 (29.14)

 

No

7505 (75.94)

2369 (89.91)

5136 (70.86)

 

Total fat intake—no. (%)

   

0.001

≤ mean

5720 (57.88)

1453 (55.04)

4267 (58.91)

 

> mean

4163 (42.12)

1187 (44.96)

2976 (41.09)

 

Mean ± SD

55.70 ± 23.65

57.36 ± 24.18

55.10 ± 23.43

0.001

Cholesterol

   

< 0.001

Mean ± SD

198.66 ± 38.07

162.84 ± 17.32

205.02 ± 37.22

 

Triglycerides

   

< 0.001

Median (interquartile range)

145 (106–199)

100 (80–122)

170 (129–225)

 

HDL cholesterol

   

< 0.001

Mean ± SD

57.75 ± 10.88

59.59 ± 9.99

57.42 ± 11.00

 

LDL cholesterol

   

< 0.001

Mean ± SD

108.18 ± 30.31

83.68 ± 12.41

112.54 ± 30.48