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Table 3 Univariate and multivariate logistic regression analysis evaluated risk factors predicting hypovitaminosis D

From: Hypovitaminosis D and risk factors in pediatric epilepsy children

Factor

Univariate model

Multivariate model

Crude

Odds Ratio

95%CI

p-value

Adjusted

Odds Ratio

95%CI

p-value

Gender

  male

1

  

1

  

  female

1.935

0.904-4.14

0.089

1.568

0.649-3.786

0.318

Puberty status

  prepuberty

1

  

1

  

  puberty

4.911

1.983-12.159

0.001*

5.426

1.879-15.67

0.002*

Duration of sun exposed, during 10 am-14 pm

  <  60 min/day

3.357

0.852-13.223

0.083

2.68

0.455-15.79

0.276

  ≥ 60 min/day

1

  

1

  

Monotherapy

  No

1

  

1

  

  Yes

1.628

0.772-3.434

0.201

1.49

0.442-5.028

0.520

Enzyme-inducer ASMs (CBZ,PB,PHT)

  No

1

  

1

  

  Yes

1.453

0.536-3.939

0.463

1.306

0.372-4.582

0.677

Enzyme-inhibitor ASMs (VPA)

  No

1.97

0.932-4.162

0.074

3.578

1.117-11.46

0.032*

  Yes

1

  

1

  

BZD and Newer ASMs

  No

1.363

0.500-3.712

0.545

2.029

0.376-10.941

0.411

  Yes

1

  

1

  

Duration of ASMs used

  ≤ 2 years

1

  

1

  

  >  2 years

2.667

1.175-6.05

0.019*

2.222

0.827-5.969

0.113

  1. ASMs anti-seizure medications; CBZ Carbamazepine; PB Phenobarbital; PHT Phenytoin; VPA Valproate; BZD Benzodiazepine
  2. *p-value significant at < 0.05