Table 2

Outcome measures

OutcomeData collection instrument and scaleTime points
Primary outcome measure
 Cognitive performanceTelephone Interview for Cognitive Status-Modified. Below 27 indicates memory impairment, above 28 indicates no memory impairment.T1, T2
Secondary outcome measures
 Social networksLubben Social Network Scale-12 item. Higher scores indicate better networks.T1, T2
 Heath-related quality of lifeEuropean Quality of Life Scale with five dimensions (EQ-5D), which comprises the EQ-5D index and the EQ-5D Visual Analogue Scale (VAS). The EQ-5D index has five domains (mobility, self-care, activities, pain/discomfort and anxiety/depression) on a five-point scale ranging from no problems to being unable. The EQ-5D VAS measures total health status on a scale 1–100 where 100 is high.T1, T2
Other measures
 Marital statusMarried/single/widowed/divorced or separatedT1
 Living situationLiving alone/living together with someoneT1, T2
 Level of educationPrimary school/high school/1–3 years University/>4 years universityT1
 Prior occupationLevel of seniority, type of workT1
 Current home-based assistance offeredPresence and frequency of home-based assistanceT0, T1–2
Home help/nurse/occupational therapist/physiotherapist/mental health service/meals on wheels/supported socialisation/no assistanceT0, T1–2
 Current community-based serviceType of institution-based service offeredT0, T1–2
Day centre/social support/social activities/outingsT0, T1–2
 Usage of servicesWeekly hoursT0, T1–2
  • T0, one month prior to baseline assessment; T1, baseline assessment, T2, 6 months after baseline assessment and T1−2, monthly assessment during 6 months after baseline assessment.