Table 1 Comparing the age, gender, FBG and serum lipid/lipoprotein between subjects with smoking and non-smoking habit, and among groups with different smoking quantity (n = 661)

Age (years)

93.37 ± 3.22

93.62 ± 3.47

0.944

0.346

93.52 ± 3.20

93.23 ± 3.13

93.11 ± 3.56

0.362

0.697

Gender ^a

(Male/Female)

145/128

71/317

87.88

≤0.001*

65/81

58/32

22/15

9.567

0.008*

TG (mmol/L)

1.21 ± 0.56

1.23 ± 0.69

0.492

0.623

1.20 ± 0.52

1.24 ± 0.63

1.16 ± 0.56

0.327

0.721

TC (mmol/L)

4.05 ± 0.81

4.21 ± 0.87

2.403

0.017

4.07 ± 0.75

4.11 ± 0.90

3.82 ± 0.77

1.778

0.171

HDL (mmol/L)

1.54 ± 0.62

1.60 ± 0.56

1.224

0.222

1.49±

1.54±

1.52±

1.716

0.182

LDL (mmol/L)

2.21 ± 0.55

2.28 ± 0.63

1.443

0.149

2.23 ± 0.55

2.23 ± 0.57

2.06 ± 0.49

1.535

0.217

FBG (mmol/L)

4.43 ± 1.58

4.48 ± 1.36

0.389

0.697

4.39 ± 1.54

4.45 ± 1.53

4.58 ± 1.82

0.218

0.814

Abnormal Serum Lipid/Lipoprotein

TG

33/240

56/332

0.756

0.226

16/130

11/79

6/31

0.770

0.680

TC

24/249

51/337

3.019

0.049*

11/135

11/79

2/35

2.138

0.350

HDL

19/254

18/370

1.633

0.135

11/135

6/84

2/35

0.224

0.894

LDL

10/263

25/363

2.470

0.080

5/141

5/85

0/37

2.344

0.310