Table 1 Baseline characteristics of the study participants.

From: To explore the association between the neutrophil percentage to albumin ratio and low bone mineral density/osteoporosis based on NHANES 2011–2018

Variables

Characteristics

Total (n = 10,961)

BMD, Mean ± SD

 

1.25 ± 0.17

NPAR, Mean ± SD

 

1.34 ± 0.24

DIQ group, n(%)

 1

Diabetes

818 (7.46)

 2

NON-diabetes

9936 (90.65)

 3

Borderline status

207 (1.89)

BPQ group, n(%)

 1

Hypertension

2628 (23.98)

 2

Normotensive

8333 (76.02)

Sex group, n(%)

 1

Male

5576 (50.87)

 2

Female

5385 (49.13)

Age Group, n(%)

 1

Young adults [20–35 years]

4415 (40.28)

 2

Middle-aged [36–50 years]

4117 (37.56)

 3

Older adults [> 50 years]

2429 (22.16)

Race Group, n(%)

 1

Non-Hispanic White

3799 (34.66)

 2

Non-Hispanic Black

2373 (21.65)

 3

Hispanic/other participants

4789 (43.69)

OP group, n(%)

 0

Non-OP

9135 (83.34)

 1

Low BMD/OP

1826 (16.66)

Ca group, n(%)

 0

NO

7375 (67.28)

 1

YES

3586 (32.72)

VD group, n(%)

 0

NO

7618 (69.50)

 1

YES

3343 (30.50)

EDU group, n(%)

 1

 < High school

2009 (18.33)

 2

High school/some college

2392 (21.82)

 3

 ≥ College

6560 (59.85)

INDFMPIR group, n(%)

 1

Low [< 1.3 poverty-income ratio]

3594 (32.79)

 2

Moderate [1.3–3.5]

3986 (36.37)

 3

High [> 3.5]

3381 (30.85)

ALQ group, n(%)

 1

Non-drinkers

2913 (26.58)

 2

Moderate drinkers [1–3 drinks/day]

4718 (43.04)

 4

Heavy drinkers [≥ 4 drinks/day]

3330 (30.38)

SMQ group, n(%)

 1

Current

4311 (39.33)

 2

Occasional

1313 (11.98)

 3

Never smokers

5337 (48.69)

BMI group, n(%)

 1

Normal weight (BMI < 25 kg/m2)

3356 (30.62)

 2

Overweight (25–30 kg/m2)

3413 (31.14)

 3

Obese (≥ 30 kg/m2)

4192 (38.24)

MET minutes, n(%)

 1

Low activity

5 (0.05)

 2

Moderate activity

539 (4.92)

 3

High activity

10,417 (95.04)

  1. SD: standard deviation.
  2. Note: This table presents the sample characteristics across different variable groups, including BMD, NPAR, diabetes (DIQ), hypertension (BPQ), sex, age, race, osteoporosis (OP), calcium intake from dietary supplements (Ca), intake of calcium and vitamin D from dietary supplements (VD), education level (EDU), poverty-income ratio (INDFMPIR), alcohol consumption (ALQ), smoking status (SMQ), body mass index (BMI), and physical activity (MET). The number and percentage of participants within each variable group are indicated, providing an overall description of the sample and the distribution of variables.