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. 2020 Oct 9;14:1823–1842. doi: 10.2147/PPA.S242693

Table 2.

Systematic Reviews of Sociodemographic and Clinical Predictors of Adherence with Prescribed Psychiatric Treatment

Author Samples and Methodology Results (Only Significant Results are Described)
Rivero-Santana et al60 Systematic review of 32 observational studies of patients with depressive disorders using antidepressants.
A quantitative synthesis was not performed because of the heterogeneity and lack of availability of the data reported.
↑ Adherence with: ↑ age, and
White race
↓ Adherence with: medical comorbidities,
substance abuse, and
race (Hispanic patients or minority groups)
Sendt et al61 Systematic review of 13 observational studies of patients with schizophrenia using antipsychotics. ↑ Adherence with: ↑ positive attitude to medication, and
↑ insight into illness
Edgcomb and Zima62 Systematic review and meta-analysis of 28 studies of predictors of adherence to psychopharmacological treatment among children (<19 years old) with a primary psychotic disorder, bipolar disorder, depression, recent suicide attempt, or psychiatric hospitalization.
Strength of association was measured by adjusted OR (CI).
↓ Adherence with: ↑ illness severity OR=0.44 (CI.32–0.62); p< 0.001
substance use OR=0.66 (CI 0.45–0.98); p=0.02
comorbid ADHD OR=0.61 (CI 0.41–0.91); p=0.008
Garcia et al63 Systematic review of 38 studies including patients with schizophrenia spectrum disorders and bipolar disorder. ↓ Adherence with: ↓ age
↓ level of education
↓ socioeconomic status
↓ insight
↑ cognitive impairment
↑ intensity of delusional symptoms
↑ suspiciousness
↓ therapeutic alliance
↑ barriers to care
being a minority ethnicity
having a substance abuse disorder
Czobor et al64 A patient-level meta-analysis of combined CATIE and EUFEST studies on schizophrenic patients.
Strength of association was measured by adjusted OR (CI).
↓ Adherence with: substance use OR=2.01(CI 1.38–2.95); p=0.0003
insight OR=1.42 (CI 1.26–1.60); p=0.0001
hostility OR=1 0.37 (CI 1.16–1.62); p=0.0002

Abbreviations: ADHD, attention-deficit/hyperactivity disorder; CATIE, The Clinical Antipsychotic Trials of Intervention Effectiveness Study; CI, 95% confidence interval; EUFEST, The European First Episode Schizophrenia Study Trial; OR, odds ratio.