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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)