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Table 2 Univariate and multivariate logistic regression analysis of NLBP (Development dataset, N = 1002)

From: Development and validation of a pre-scoring system for nonspecific low back pain among general population in Guangzhou: a cross-sectional study

Variable

Univariate Analysis

Basic model

Risk model

OR(95%CI)

P

OR(95%CI)

P

Coefficient

OR(95%CI)

P

Age (years)

1.08 (1.06–1.11)

< 0.001

1.10 (1.07–1.13)

< 0.001

0.096

1.10 (1.07–1.13)

< 0.001

BMI (kg/m2)

1.18 (1.11–1.24)

< 0.001

1.16 (1.09–1.25)

< 0.001

0.143

1.15 (1.07–1.24)

< 0.001

Average exercise times weekly

0.82 (0.70–0.97)

0.019

0.69 (0.57–0.83)

< 0.001

−0.280

0.76 (0.62–0.92)

0.006

Female

1.39 (0.96–2.01)

0.084

1.75 (1.08–2.83)

0.024

0.584

1.79 (1.07–2.99)

0.026

Educational level

 

< 0.001

 

< 0.001

  

< 0.001

 Middle school or below

1.00

 

1.00

 

0.000

1.00

 

 High school

0.99 (0.46–2.13)

0.980

2.80 (1.16–6.74)

0.022

0.820

2.27 (0.90–5.72)

0.082

 College degree or above

2.52 (1.35–4.70)

0.004

8.11 (3.73–17.60)

< 0.001

1.906

6.72 (2.97–15.21)

< 0.001

Marital status

 

< 0.001

     

 Singlehood

1.00

      

 Married

5.09 (2.70–9.61)

< 0.001

     

 Divorced et al.

17.33 (5.24–57.30)

< 0.001

     

The intensity of daily work

 

< 0.001

 

< 0.001

  

< 0.001

 Almost not

1.00

 

1.00

 

0.000

1.00

 

 Light

3.18 (1.61–6.30)

0.001

2.59 (1.24–5.42)

0.012

0.723

2.06 (0.96–4.45)

0.065

 Intergrade

5.11 (2.49–10.46)

< 0.001

5.50 (2.47–12.24)

< 0.001

1.342

3.83 (1.68–8.72)

0.001

 Heavy

5.97 (1.97–18.07)

0.002

22.30 (5.87–84.62)

< 0.001

2.633

13.92 (3.36–57.72)

< 0.001

Place of residence

 

< 0.001

 

0.003

  

0.035

 City

1.00

 

1.00

 

0.000

1.00

 

 Villages and towns

3.34 (1.82–6.13)

< 0.001

3.12 (1.53–6.38)

0.002

0.870

2.39 (1.14–5.00)

0.021

 Countryside

2.43 (1.25–4.70)

0.009

1.83 (0.82–4.11)

0.140

0.438

1.55 (0.67–3.59)

0.307

Monthly income (CNY)

 

0.016

 

0.032

  

0.009

 < 1000

1.00

 

1.00

 

0.000

1.00

 

 1000 ≤ < 5000

5.25 (1.63–16.88)

0.005

2.69 (0.77–9.37)

0.119

1.145

3.14 (0.85–11.58)

0.085

 5000 ≤ < 10,000

4.86 (1.42–16.62)

0.012

1.82 (0.45–7.34)

0.400

0.901

2.46 (0.56–10.82)

0.233

 ≥10,000

10.78 (2.47–47.08)

0.002

8.46 (1.62–44.33)

0.011

2.744

15.55 (2.71–89.08)

0.002

Main nature of work

 

0.036

     

 Brain

1.00

      

 Brain & manual

1.20 (0.80–1.81)

0.370

     

 Manual

0.52 (0.27–1.02)

0.059

     

Vibration

 

0.013

     

 Systemic

1.00

      

 Partial

0.36 (0.12–1.10)

0.074

     

 None

0.88 (0.33–2.35)

0.802

     

Smoking habits

 

0.397

     

 Non-smoking

1.00

      

 Smoking

1.22 (0.80–1.86)

0.350

     

 No longer smoking

2.37 (0.47–11.93)

0.294

     

Drinking habits

 

0.881

     

 None

1.00

      

 A little(≤one bottle beer daily)

0.95 (0.61–1.46)

0.798

     

 Much(>one bottle beer daily)

0.80 (0.31–2.07)

0.645

     

SF1

0.45 (0.34–0.61)

< 0.001

     

SF2

0.32 (0.24–0.42)

< 0.001

  

−0.741

0.48 (0.33–0.69)

< 0.001

SF_PHYS

0.68 (0.61–0.75)

< 0.001

  

−0.258

0.77 (0.68–0.88)

< 0.001

SF_PSYCH

0.78 (0.72–0.85)

< 0.001

     

SF_SOCIL

0.88 (0.81–0.95)

0.001

     

SF_ENVIR

0.86 (0.79–0.93)

< 0.001

     
  1. OR Odds ratio, CI Confidence interval, BMI Body mass index, Vibration means whether or not contacting vibration sources at work. Systemic includes feet or hip contact, and partial means hands contact; SF1 Overall evaluation about quality of life, SF2 Overall evaluation about health condition, SF_PHYS Physiology health domain, SF_PSYCH Psychological health domain, SF_SOCIL Social relation health domain, SF_ENVIR Environmental health domain, Basic model includes demographic and work-related factors; Risk model, basic model+SF2+ SF_PHYS
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BMC Public Health

ISSN: 1471-2458

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