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Table 1 Baseline Characteristics of participants (n = 1068)

From: Total polyunsaturated fatty acid intake and the risk of non-alcoholic fatty liver disease in Chinese Han adults: a secondary analysis based on a case–control study

Group

Non-NAFLD

NAFLD

P-value

Number

534

534

 

MUFA intake (g/day)

31.16 (8.59)

34.12 (9.10)

 < 0.001

Total PUFA intake (g/day)

23.30 (4.58)

25.93 (4.86)

 < 0.001

Nut intake (g/day)

2.86 (1.22–8.98)

3.15 (1.50–8.80)

0.743

Energy intake (kcal/day)

2167.63 (598.59)

2263.95 (617.49)

0.010

Sex (n, %)

  

1.000

 Men

364 (68.16%)

364 (68.16%)

 

 Women

170 (31.84%)

170 (31.84%)

 

Age (n, %)

  

0.734

 < 40 year

138 (25.84%)

140 (26.22%)

 

 40–60

334 (62.55%)

340 (63.67%)

 

 ≥ 60

62 (11.61%)

54 (10.11%)

 

Education level (n, %)

  

0.332

 Primary school and less than

49 (9.18%)

40 (7.49%)

 

 Junior middle and high school

202 (37.83%)

223 (41.76%)

 

 Junior college or above

283 (53.00%)

271 (50.75%)

 

Marital status (n,%)

  

0.192

 Single

62 (11.61%)

49 (9.18%)

 

 Married or other

472 (88.39%)

485 (90.82%)

 

BMI (n, %)

  

 < 0.001

 < 18.5 kg/m2

20 (3.75%)

3 (0.56%)

 

 18.5–24.0

382 (71.54%)

179 (33.52%)

 

 ≥ 24.0

132 (24.72%)

352 (65.92%)

 

Income (n, %)

  

0.448

 < 2000 yuan/month

35 (6.55%)

32 (5.99%)

 

 2000–3000

174 (32.58%)

157 (29.40%)

 

 ≥ 3000

325 (60.86%)

345 (64.61%)

 

Smoking status (n, %)

  

0.284

 Never smoker

383 (71.72%)

367 (68.73%)

 

 Smoker

151 (28.28%)

167 (31.27%)

 

Tea-drinking status (n, %)

  

0.029

 No drinking

234 (43.82%)

199 (37.27%)

 

 Drinking

300 (56.18%)

335 (62.73%)

 

Occupation (n, %)

  

0.187

 Mental labour

152 (28.46%)

158 (29.59%)

 

 Physical labour

136 (25.47%)

111 (20.79%)

 

 Other

246 (46.07%)

265 (49.63%)

 

Physical exercise (n, %)

  

0.046

 Light

156 (29.21%)

194 (36.33%)

 

 Moderate

164 (30.71%)

147 (27.53%)

 

Severe

214 (40.07%)

193 (36.14%)

 

History of hyperlipidemia (n, %)

  

0.661

 No

508 (95.13%)

511 (95.69%)

 

 Yes

26 (4.87%)

23 (4.31%)

 

History of diabetes (n, %)

  

0.241

 No

519 (97.19%)

512 (95.88%)

 

 Yes

15 (2.81%)

22 (4.12%)

 

History of hypertension (n, %)

  

 < 0.001

 No

436 (81.65%)

375 (70.22%)

 

 Yes

98 (18.35%)

159 (29.78%)

 
  1. NAFLD non-alcoholic fatty liver, BMI body mass index, MUFA monounsaturated fatty acid, PUFA polyunsaturated fatty acid
  2. Medians (IQRs)
  3. Mean (SD)