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. 2021 Mar 16;13(3):952. doi: 10.3390/nu13030952

Table 7.

The characteristics of the subjects of the included observational studies.

Ref. Number of Participants (Girls) Age (Mean with SD/Range) Inclusion Criteria/Exclusion Criteria
[47] 273 (146) 8.6 ± 1.6 (enrolment)
14.7 ± 1.7 (follow-up)
Inclusion: children aged 5–12 years; randomly selected from primary public schools in Bogota within the Bogota School Children Cohort
Exclusion: outside the 11–18 years range at follow-up; missing data
[48] 246 8.5 ± 2.4 for asthma group
8.9 ± 2.8 for control group
Inclusion: diagnosed stable asthma; able to cooperate and comply with pulmonary function tests
Exclusion: restrictive ventilation dysfunction; history of calcium supplementation; recently taken vitamin D; serious diseases
[49] 156 (65) 13.8 ± 2.4 Inclusion: Chinese ethnicity; aged 8–18 years; receipt of dialysis therapy for at least 3 months; hospitalization within 14 days (exclusive of a hospital stay for dialysis)
Exclusion: severe visual or auditory impairment or mental retardation; renal transplant recipients; history of psychiatric disorders including anxiety and depression; malignancy/leukaemia; chronic hepatic disease; autoimmune diseases or active infections; significant life event unrelated to their renal disease in the past 30 days (e.g., severe illness of a family member, family structure changes, losing a family member, changing the living place); osteoporosis or receiving supplementation with ergocalciferol or cholecalciferol
[50] 270 (145) 12.1 ± 2.6 for male depressive disorder group
11.6 ± 2.8 for male control group
12.0 ± 2.7 for female depressive disorder group
12.3 ± 2.8 for female control group
Inclusion: aged 8–16 years; BMI ranging from the 5th to 95th percentiles; depressive disorders diagnosed by local psychiatrists (for depressive disorder group)
Exclusion: suicidal ideation; receiving medical treatments that could affect thyroid function in the preceding 2 months
[51] 36 14.0 ± 2.4 for non-mood disorders group
14.1 ± 1.2 for major mood disorders group
13.9 ± 2.0 for bipolar disorder group
Inclusion: adolescents enrolled in the National Institute of Mental Health (NIMH) Longitudinal Assessment of Manic Symptoms (LAMS) study; mood symptom changes and elevated symptoms of mania biannually
Exclusion: -
[52] 119 (45) 11.2 ± 2.8 for obsessive compulsive disorder group
10.9 ± 2.7 for control group
Inclusion: for control group age and sex distribution comparable with obsessive compulsive disorder group
Exclusion: The Wechsler Intelligence Scale for Children-Revised (WISC-R) score < 80; comorbid psychiatric disorder according to K-SADS-PL; history of psychotropic drug or substance using; calcium or vitamin D supplementation within the previous 6 months; history of serious head trauma; systemic disease (epilepsy, history of antiepileptic use, clinically active infection, obesity, etc.); abnormal neurological symptoms; pathology in routine biochemical tests; history of corticosteroid use; insufficient collection of blood volume
[53] 82 (42) 14.7 ± 2.3 for obsessive compulsive disorder group
14.2 ± 2.6 for control group
Inclusion: patient of the outpatient clinic for children and adolescent psychiatry at Ordu University Research and Training Hospital; diagnosis according to DSM-V criteria (for obsessive compulsive disorder group); minor issues (for control group)
Exclusion: infections; psychotic disorders; diagnosis of mental retardation and developmental disorders; nutritional support product used in the previous year; vegetarians
[54] 9068 (4445) 3.0-17.9 Inclusion: aged 3–17.9 years
Exclusion: missing data
[55] 217 (105) 12.0 ± 2.9 Inclusion: patients attending a Pediatric Center for Weight Management Treatment Centre in Alberta, Canada; aged 2–18 years; overweight (BMI between the 85th and 97th percentile) or obesity (BMI above the 97th percentile)
Exclusion: missing data *
[56] 138 (69) 12.8 ± 1.9 for depression group
12.7 ± 1.8 for control group
Inclusion: patients of Adolescent Clinic and Child Psychiatry Clinic of the Medical School of Dicle University
Exclusion: missing data
[57] 5066 (2481) 14.7 ± 2.0 for males
14.6 ± 2.0 for females
Inclusion: aged 11–17 years
Exclusion: missing data
[58] 1095 (527) 14.7 ± 2.6 Inclusion: students; aged 10–18 years; selected randomly by multistage random cluster sampling
Exclusion: -
[59] 38 (20) 12.1 ± 3.1 Inclusion: aged 7–17 years; proven diagnosis of cystic fibrosis via sweat test (sweat Cl > 60 mmol/L)
Exclusion: no exclusion criteria *
[60] 65 (33) 16.8 ± 1.5 for male major depressive disorder group
16.4 ± 2.0 for male control group
16.6 ± 1.4 for female major depressive disorder group
16.3 ± 2.2 for female control group
Inclusion: outpatients from the Massachusetts General Hospital for Children, BMI between the 5th and 95th percentiles for age; being referred by local psychiatrists (for major depressive disorder group)
Exclusion: medical conditions or medications that could affect bone metabolism (including estrogen/progesterone or glucocorticoids) within the preceding 3 months; any other axis I disorder except for co-morbid anxiety; suicidal ideation
[61] 104 (75) 15.4 ± 1.6 Inclusion: patients of the Strong Behavioral Health Child and Adolescent Acute Inpatient Service or Partial Hospitalization Service (CAPHS), Department of Psychiatry, University of Rochester; acute mental health treatment over a 16-month period
Exclusion: -
[62] 2413 (1306) * 9.9 ± 1.1 Inclusion: participant of the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort from South West England (single and twin births born between 1 April 1991, and 31 December 1992)
Exclusion: any previous behavioral problems at the age of 7 or 9; missing data
[63] 2759 9.8 for vitamin D assessment
10.6 and 13.8 for depressive symptoms assessment
Inclusion: participant of the ALSPAC cohort from South West England (single and twin births born between 1 April 1991, and 31 December 1992)
Exclusion: -

BMI—Body Mass Index; DSM—Diagnostic and Statistical Manual of Mental Disorders; K-SADS-PL—Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Episode; *—data provided on request.