Low : 70% response rate Low risk: SIV vaccination in last 12 months 2 Social living arrangements Social & living arrangements (self-reported): low risk Social class & living arrangements: low risk as adjusted for age, gender, living arrangements, social class, transport to GP, chronic disease, smoking, alcohol consumption and other factors Low for both: <4% had missing data overall High risk as adjusted for chronic conditions Carreno-ibanez [] Low risk: all registered patients included Low risk : PV vaccination from records 1 COB COB (records): low risk COB: high risk as unadjusted estimates Low risk : <1% missing data Low risk Chiatti [, , ] Unclear risk : N/R Low risk: SIV vaccination in last 12 months 5 Education All 5 SD (self-reported): low risk Education: low risk adjusted for gender, age group, family social class, chronic diseases, self-reported health, GP visit in last 30 days Low risk for all: overall only 1.7% had missing data High risk as adjusted for chronic conditions Income/ wealth Income/ wealth: low risk adjusted for gender, education, self-reported wealth, smoking status, marital status, GP visits in last 30 days, other chronic diseases, self-rated health status Family social class Family social low risk adjusted for gender, age group,education, chronic diseases, self-reported health, gp visit in last 30 days Relationship status Relationship status: low risk as adjusted for gender, age, education level (ordinal), self-reported income/ wealth (ordinal), relationship status, informal and formal help, household size, smoking & respondent type Low risk Living arrangements Living arrangements: low risk adjusted for gender, age, education level (ordinal), self-reported income/ wealth (ordinal), marital status, informal and formal help, household size, smoking & respondent type Christenson [] low risk : rr 78% Low risk: recent SIV/ PV vaccine 2 Education Relationship status Education & relationship status (self-reported): low risk Education & relationship status: high risk as unadjusted Low risk : data for education and pneumococcal vaccination missing for ~3% & marital status for <2% for both vaccines Low risk as unadjusted reported reported reported
Martinez-baz[] Unclear risk : follow-up rate not Low risk: medical records for continued adherence for SIV vaccination 3 : COB COB (from records): low risk All 3 SD: low risk as adjusted for age, gender, location: residence, COB, living arrangements, chronic conditions, hospitalisation in previous 12 months and dependence Unclear risk: missing data not High risk Living arrangements Living arrangements & location: residence (from records date not reported): unclear risk Location: residence Sammon[] Unclear risk: follow-up rate not Low risk: records for SIV and PIV uptake 1 : Area SES Area SES (from records date not reported): unclear risk Area SES: high risk as unadjusted for any 1 variable (adjusted for gender, body mass index, alcohol consumption, smoking status, history of Guillain Barré syndrome, total number of underlying health conditions (1,2,>2) and practice region) Unclear risk: missing data for ≥65 year-old not Low risk Shah[] Unclear risk: follow-up rate not Low risk: records SIV vaccination 1 Area SES Area SES (from records date not reported): unclear risk Area SES: high risk as unadjusted for any 1 variable (adjusted for age and gender) Low risk: SD data available for all individuals Low risk Van essen[] Low risk:: rr 77% -91% Low risk: recent records for SIV uptake 2 Health insurance Health insurance (noted from recent records) & living arrangements (self-reported): low risk Both SD: low risk as adjusted for gender, age groups, health insurance, living arrangements, perceived health, perceived threat of influenza, perceived benefits and costs Low risk: missing data for 22.7% High risk Living arrangements SD social determinants COB country of birth N/R not SIV seasonal influenza vaccine COB country of birth PV pneumococcal vaccine HZ herpes zoster SES socio-economic status