Reference | Are the study design and sampling method appropria-te for the research question? | Is the sampling frame appropri-ate? | Is the sample size adequate? | Are objective, suitable and standard criteria used for measure-ment of the health outcome? | Is the health outcome measured in an unbiased fashion? | Is the response rate adequate? Are the refusers described? | Are the estimates of prevalence or incidence given with confidence intervals and in detail by subgroup, if appropriate? | Are the study subjects and the setting described in detail and similar to those of interest to you? | Score | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(6) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(10) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(22) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(24) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(25) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(34) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(36) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(37) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(38) | - | - | ND | 1 | 1 | 1 | - | 1 | 5 | |||||||||||
(39) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(40) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(41) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(42) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(43) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(44) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(45) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
(46) | 1 | 1 | ND | 1 | 1 | 1 | 1 | 1 | 7 | |||||||||||
Reference | Representativeness of the exposed cohort | Selection of the non exposed cohort | Ascertainment of exposure | Demonstration that outcome of interest was not present at start of study | Comparability of cohorts on the basis of the design or analysis | Assessment of outcome | Was follow-up long enough for outcomes to occur | Adequacy of follow-up of cohorts | Newcastle - Ottawa Quality Assessment Scale Cohort Studies | |||||||||||
(47) | * | * | * | * | ** | * | * | 8 | ||||||||||||
Reference | Is the case definition adequate? | Representativeness of the cases | Selection of the controls | Definition of controls | Comparability of cases and controls on the basis of the design or analysis | Ascertainment of exposure | Same method of ascertainment for cases and controls | Same rate for both groups | Non respondents described | Rate different and no designation | Total | |||||||||
(35) | * | * | * | * | * | * | * | 7* |