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Table 1 Baseline Demographic and Clinical Characteristics of Adult NEPTUNE Participants by Tobacco Exposure Groups

From: Tobacco exposure in adults and children with proteinuric glomerulopathies: a NEPTUNE cohort study

N (%) or Mean±SD

N = 371

Non-smoker

N = 191

Active smoker

N = 54

Former smoker

N = 108

Exclusive Passive smoker

N = 18

p-value

Age

43.7±16.3

47.6±13.5

49.5±16.0

41.5±15.0

0.01

Sex: Male

106 (55.5%)

37 (68.5%)

76 (70.4%)

6 (33.3%)

<0.01

Black Race

39 (20.7%)

22 (41.5%)

18 (16.8%)

5 (27.8%)

<0.01

Drug use

9 (4.7%)

12 (22.2%)

18 (16.7%)

1 (5.6%)

<0.01

Alcohol use: None

97 (51.1%)

25 (46.3%)

40 (37.4%)

9 (50.0%)

0.27

Daily

4 (2.1%)

3 (5.6%)

7 (6.5%)

0 (0.0%)

 

3-4 times a week

7 (3.7%)

4 (7.4%)

9 (8.4%)

2 (11.1%)

 

1-2 times a week

23 (12.1%)

6 (11.1%)

16 (15.0%)

2 (11.1%)

 

1-2 times a month

23 (12.1%)

6 (11.1%)

22 (20.6%)

2 (11.1%)

 

< once a month

36 (18.9%)

10 (18.5%)

13 (12.1%)

3 (16.7%)

 

English as primary language

142 (74.3%)

46 (85.2%)

83 (76.9%)

12 (66.7%)

0.30

Employment Status: Not Employed

45 (23.7%)

27 (50.0%)

44 (40.7%)

7 (38.9%)

<0.01

Employed

127 (66.8%)

26 (48.1%)

62 (57.4%)

10 (55.6%)

 

Homemaker

10 (5.3%)

0 (0.0%)

0 (0.0%)

1 (5.6%)

 

Not Applicable

8 (4.2%)

1 (1.9%)

2 (1.9%)

0 (0.0%)

 

Education Level:

    

0.49

High School

diploma

45 (23.6%)

9 (16.7%)

21 (19.6%)

2 (11.1%)

 

2-year Associates

degree/certificate

25 (13.1%)

6 (11.1%)

7 (6.5%)

2 (11.1%)

 

4-year College

degree

25 (13.1%)

6 (11.1%)

12 (11.2%)

1 (5.6%)

 

Master level

diploma

9 (4.7%)

2 (3.7%)

6 (5.6%)

0 (0.0%)

 

Graduate level

diploma

4 (2.1%)

1 (1.9%)

2 (1.9%)

1 (5.6%)

 

Not available

8 (4.2%)

5 (9.3%)

2 (1.9%)

2 (11.1%)

 

Unknown

15 (7.9%)

7 (13.0%)

16 15.0%)

4 (22.2%)

 

Weight (kg)

88.4±28.4

91.7±27.8

85.6±21.3

84.1±22.7

0.49

Height (cm)

169.1±10.6

171.5±10.2

171.0±10.3

165.2±12.0

0.08

BMI (kg/m2)

30.4±8.1

30.8±9.1

29.3±7.2

30.6±6.7

0.63

Obesity

83 (43.4%)

26 (48.1%)

38 (35.2%)

9 (50%)

0.28

Cohort: MN

40 (21.1%)

15 (28.3%)

34 (31.8%)

5 (27.8%)

0.53

MCD

37 (19.5%)

11 (20.8%)

15 (14.0%)

2 (11.1%)

 

Other

50 (26.3%)

9 (17.0%)

25 (23.4%)

3 (16.7%)

 

FSGS

63 (33.2%)

18 (34.0%)

33 (30.8%)

8 (44.4%)

 

Hypertensive Status:

Normal

75 (1 (39.3%)

14 (25.9%)

39 (36.1%)

11 (61.1%)

0.62

Elevated BP

84 (44.0%)

26 (48.1%)

37 (34.3%)

6 (33.3%)

 

Hypertensive

32 (16.8%)

14 (25.9%)

32 (29.6%)

1 (5.6%)

 

SBP (mmHg)

122.8±17.3

129.8±21.7

125.6±22.0

119.9±17.2

0.09

SBP Index

0.79±0.13

0.78±0.15

0.75±0.15

0.79±0.12

0.25

DBP (mmHg)

75.5±11.9

76.8±11.9

76.4±12.1

72.9±10.2

0.38

eGFR (ml/min/1.73m2)

69.5±31.0

74.6±31.8

67.4±29.7

55.8±37.6

0.15

UPC ratio (g/g)

3.3±4.5

4.0±5.4

3.7±3.8

4.2±3.9

0.71

Edema present

85 (44.5%)

29 (53.7%)

49 (45.4%)

10 (55.6%)

0.56

Albumin (mg/dl)

3.2± 0.10

2.9±0.9

3.1±1.0

3.0±1.0

0.56

Total Cholesterol (mg/dL)

262.0±111.5

271.3±96.9

259.3±91.8

257.5±93.1

0.91

HDL (mg/dL)

67.1±30.8

62.6±25.9

69.5±30.1

57.8±16.4

0.30

LDL (mg/dL)

156.5±90.2

159.9±83.2

150.5±77.0

152.0±84.7

0.91

Triglycerides (mg/dL)

192.2±128.4

243.9±152.0

196.8±162.3

238.4±156.2

0.08

Steroid use

40 (20.9%)

14 (25.9%)

21 (19.4%)

3 (16.7%)

0.77

CNI use

6 (3.1%)

3 (5.6%)

1 (0.9%)

0 (0.0%)

0.31

RAAS blocker use

109 (57.1%)

31 (57.4%)

56 (51.9%)

11 (61.1%)

0.78

Arterial Hyalinosis

0.35±0.55

0.43±0.86

1.02±1

0.19±0.53

0.11

Arteriosclerosis (%)

0.81±0.9

0.93±0.56

0.23±0.46

0.31±0.46

0.17

  1. BMI – body mass index; MN –membranous nephropathy; MCD- minimal change disease; FSGS- focal segmental glomerulosclerosis; BP – blood pressure; SBP- systolic blood pressure; DBP- diastolic blood pressure; eGFR- estimated glomerular filtration rate; UPC- urine protein:creatinine ratio; HDL – high density lipoprotein cholesterol; LDL – low density lipoprotein cholesterol; CNI - calcineurin inhibitor; RAAS – renin angiotensin aldosterone system