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Table 3 Measures of SEP inequality SII and RII and sex differences of each disease in children in Catalonia

From: Socioeconomic inequalities in 29 childhood diseases: evidence from a 1,500,000 children population retrospective study

Disease

SII (95% CI)

RII (95% CI)

Boys

Girls

p-value*

Boys

Girls

p-value*

Infectious diseases

 Tuberculosis

0.08 (−0.04, 0.21)

0.11 (−0.13, 0.35)

0.675

8.13 (4.83, 13.71)

9.62 (5.70, 16.26)

0.656

 Meningitis (bacterial or viral)

0.06 (−0.03, 0.15)

0.02 (− 0.03, 0.08)

0.144

1.89 (1.31, 2.72)

1.23 (0.77, 1.95)

0.153

 Influenza

5.00 (−2.68, 12.67)

4.90 (− 2.47, 12.26)

0.969

1.29 (1.25, 1.33)

1.33 (1.28, 1.37)

0.286

Neoplasms

 Cancer of the brain and nervous system

0.04 (−0.04, 0.12)

− 0.03 (− 0.11, 0.05)

0.019

1.28 (0.75, 2.19)

1.13 (0.64, 2.02)

0.765

 Leukaemia

−0.01 (− 0.07, 0.04)

0.01 (− 0.03, 0.05)

0.103

1.01 (0.65, 1.58)

1.16 (0.69, 1.94)

0.695

 Malignant neoplasms

0.20 (−0.11, 0.50)

0.17 (− 0.06, 0.41)

0.793

1.37 (1.15, 1.62)

1.44 (1.19, 1.73)

0.696

Anthropometrics

 Overweight

11.36 (−0.81, 23.53)

10.69 (1.30, 20.08)

0.858

1.63 (1.58, 1.67)

1.78 (1.73, 1.84)

< 0.001

 Obesity

7.98 (2.52, 13.43)

6.09 (2.35, 9.82)

0.261

2.37 (2.27, 2.48)

2.68 (2.54, 2.82)

< 0.001

Mental health

 Mood disorders

0.31 (0.14, 0.48)

0.44 (0.08, 0.81)

0.205

1.92 (1.65, 2.23)

2.09 (1.81, 2.41)

0.424

 Adjustment and anxiety disorders

4.03 (0.66, 7.41)

4.03 (0.47, 7.60)

0.998

2.17 (2.07, 2.27)

2.24 (2.13, 2.36)

0.346

 ADHD

1.48 (−0.39, 3.34)

0.60 (0.07, 1.13)

0.090

1.21 (1.15, 1.27)

1.31 (1.20, 1.43)

0.112

 ASD

0.53 (−0.31, 1.37)

0.15 (−0.09, 0.40)

0.107

1.29 (1.16, 1.42)

1.36 (1.09, 1.71)

0.636

Autoimmune and respiratory diseases

 Acute bronchitis

8.62 (−3.28, 20.52)

8.19 (−3.40, 19.77)

0.915

1.35 (1.33, 1.38)

1.39 (1.36, 1.42)

0.090

 Chronic bronchitis

4.46 (−1.75, 10.67)

4.13 (−1.62, 9.89)

0.874

1.37 (1.33, 1.41)

1.43 (1.38, 1.49)

0.064

 Asthma

3.00 (−2.63, 8.64)

2.68 (− 1.42, 6.78)

0.848

1.08 (1.05, 1.12)

1.23 (1.18, 1.29)

< 0.001

 Respiratory allergy

2.71 (−0.33, 5.75)

2.58 (−0.03, 5.18)

0.889

1.26 (1.22, 1.29)

1.37 (1.33, 1.41)

< 0.001

 Dermatitis

10.68 (−3.47, 24.84)

12.55 (−2.75, 27.86)

0.713

1.32 (1.30, 1.35)

1.41 (1.38, 1.43)

< 0.001

 Food allergy

−0.06 (−1.80, 1.67)

−0.23 (−2.15, 1.68)

0.791

0.86 (0.82, 0.90)

0.87 (0.83, 0.92)

0.655

 Cystic fibrosis

0.00 (−0.03, 0.02)

−0.02 (− 0.05, 0.02)

0.113

0.79 (0.40, 1.55)

0.77 (0.38, 1.55)

0.963

Adverse birth outcomes

 Short gestation, low birth weight, foetal growth retardation.

0.53 (0.42, 0.65)

0.54 (0.39, 0.70)

0.788

2.20 (1.99, 2.43)

2.14 (1.92, 2.38)

0.704

 Intrauterine hypoxia and birth asphyxia and trauma

0.36 (0.11, 0.61)

0.28 (−0.09, 0.65)

0.453

2.31 (1.98, 2.69)

2.31 (1.93, 2.78)

0.978

 Congenital anomalies

5.21 (−2.26, 12.69)

3.59 (−3.77, 10.96)

0.530

1.38 (1.34, 1.42)

1.23 (1.19, 1.27)

< 0.001

Nervous system

 Paralysis

0.14 (−0.02, 0.30)

0.11 (− 0.12, 0.33)

0.654

1.89 (1.48, 2.41)

1.66 (1.26, 2.2)

0.501

 Epilepsy

0.18 (−0.17, 0.53)

0.34 (−0.21, 0.88)

0.312

1.47 (1.29, 1.68)

1.30 (1.13, 1.50)

0.203

Circulatory system

 Essential hypertension

0.15 (0.07, 0.24)

0.13 (0.06, 0.19)

0.284

2.14 (1.72, 2.68)

2.16 (1.66, 2.79)

0.978

 Heart valve disorders

1.40 (−1.40, 4.20)

1.27 (−0.96, 3.50)

0.885

1.17 (1.11, 1.23)

1.21 (1.15, 1.29)

0.318

 Acute cerebrovascular disease

0.04 (0.01, 0.06)

0.01 (−0.02, 0.05)

0.039

1.72 (1.23, 2.38)

1.26 (0.85, 1.86)

0.232

Others

 Injuries

16.35 (−5.98, 38.67)

14.63 (− 5.84, 35.10)

0.815

1.31 (1.29, 1.33)

1.29 (1.28, 1.31)

0.242

 Poisoning

0.16 (−0.23, 0.56)

0.11 (− 0.43, 0.65)

0.741

2.02 (1.65, 2.48)

2.51 (2.03, 3.10)

0.150

  1. ADHD attention deficit hyperactivity disorder, ASD autism spectrum disorder
  2. *p-value to test sex differences for SII and RII (sex differences were assessed by inserting a two-way interaction term between SEP and sex)