Table 4 Health service utilisation outcomes—quality assessment
StudyQuality grades assigned by reviewers (NS/TJ)Confounders/variables analysedLimitationsstrengthsFindings
Mustard et al, 199636Adequate/soundNeighbourhood income quintile, prenatal care, maternal age, parity, marital status, ethnicityL: Inadequately defined RM threatening validity. S: Large study, small (11%) attritionMoved vs not moved, likelihood of <80% visits with one ambulatory care provider: 0–23 months: OR 1.32 (1.21 to 1.43); 24–60 months: OR 1.33 (1.20 to 1.46)
Vuorinen et al, 199037Adequate/adequateSE (parental occupation), age, distance to medical service, family structure, urban vs rural locationL: Limitations of database used not discussed, and measure of mobility not including frequency, recency or reason for movesResidential change out of municipality of birth had no significant independent association with children’s use of primary health services
Fowler et al, 199338Adequate/adequateSE, age, sex, maternal education and marital status, health insurance statusL: Lack of information sampling of group; recall bias. S: Large nationally sampled study⩾3 Moves vs less: lack regular site preventative care: OR 2.4 (2.0 to 3.1); lack regular site sick care OR 3.3 (2.3 to 4.3); use ED for sick care: OR 1.6 (1.3 to 2.1)
Duchon et al, 199939Adequate/adequateAge, sex, marital status, family size, school education, employment, Medicaid statusL: Control group may have been systematically different from sheltered mother group with high potential for residual bias. 30% attrition. Indirect reference to child healthED use and no regular source of care: frequent movers vs comparison “never-sheltered” group: OR 4.70 (1.84 to 11.99)
Providence Plan Group, 200240Suboptimal/suboptimalNoneL: Large potential for bias with lack of analysis. Quality of dataset not discussedIncreased moves associated with increased no of providers seen, decreased routine primary health care visits, but no significant difference in having blood lead screen test
  • ED, emergency department; L:, limitations; OR, odds ratio followed by 95% confidence interval in brackets; RM, residential mobility; S:, strengths; SE, socioeconomic factors or measures.