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Table 2 Baseline Demographic and Clinical Characteristics of Pediatric 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 = 188a

Non-smoker

N = 156

Exclusive Passive smoker

N = 32

p-value

Age

10.1±4.91

8.0±4.9

0.04

Sex: Male

88 (56.4%)

19 (59.4%)

0.84

Black Race

60 (39.5%)

11 (39.5%)

0.69

Drug use

0 (0.0%)

0 (0.0%)

>0.99

Alcohol use: None

134 (97.8%)

30 (93.8%)

0.05

Daily

0 (0.0%)

1 (3.1%)

 

3-4 times a week

0 (0.0%)

0 (0.0%)

 

1-2 times a week

1 (0.7%)

0 (0.0%)

 

1-2 times a month

2 (1.5%)

0 (0.0%)

 

< once a month

0 (0.0%)

1 (3.1%)

 

English as primary language

138 (88.5%)

30 (96.8%)

0.21

Maternal Education Level:

  

0.01

High School diploma

24 (15.4%)

7 (21.9%)

 

2-year Associates

degree/certificate

42 (26.9%)

4 (12.5%)

 

4-year College degree

27 (17.3%)

4 (12.5%)

 

Master level diploma

8 (5.1%)

0 (0.0%)

 

Graduate level diploma

7 (4.5%)

0 (0.0%)

 

Not available

4 (2.6%)

1 (3.1%)

 

Unknown

5 (3.2%)

1 (3.1%)

 

BMI (kg/m2)

22.3±6.7

21.8±7.0

0.3

BMI percentile

76.6±28.2

82.2±25.3

0.16

Obesity

49 (0.3)

17 (53.1)

0.12

Birth weight (g)

4610.0±7316.6

3501.2±260.3

0.27

Cohort: MN

1 (0.6%)

0 (0.0%)

0.76

MCD

80 (51.6%)

19 (59.4%)

 

Other

27 (17.4%)

6 (18.8%)

 

FSGS

47 (30.3%)

7 (21.9%)

 

Blood Pressure Status:

Normal

72 (48.6%)

13 (43.3%)

0.87

Elevated BP

14 (9.5%)

3 (10.0%)

 

Hypertensive BP

62 (41.9%)

14 (46.7%)

 

SBP (mmHg)

111.43±15.403

106.70±18.904

0.12

SBP Index

0.9425±0.11553

0.9418±0.08770

0.79

DBP (mmHg)

76.3±11.4

72.9±10.2

0.04

DBP index

0.9±0.56

0.94±0.18

0.41

eGFR (ml/min/1.73m2)

99.2±33.3

121.2±68.4

0.06

UPC ratio (g/g)

3.23±6.2

3.6 ±3.9

0.80

Edema present

55 (36.7%)

16 (50.0%)

0.17

Albumin (mg/dl)

3.2±1.0

2.9±1.2

0.26

Total Cholesterol (mg/dL)

295.3±136.3

316.8±145.7

0.41

HDL (mg/dL)

77.0±28.1

82.2±30.9

0.32

LDL (mg/dL)

179.4±108.4

197.3±115.8

0.4

Triglycerides (mg/dL)

194.4±155.4

186.5±167.7

0.69

Steroid use

90 (46.7%)

19 (59.4%)

>0.99

CNI use

30 (19.2%)

8 (25.0%)

0.67

RAAS blocker use

50 (32.1%)

9 (28.1%)

0.57

Arterial Hyalinosis

0.01±0.07

0.05±0.23

0.36

Arteriosclerosis (%)

0.06±0.21

0.08±0.25

0.69

  1. aTotal N excludes one current smoker and 3 previous smokers
  2. 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