Independent and combined effects of physical activity and body mass index on the development of Type 2 Diabetes - a meta-analysis of 9 prospective cohort studies.

Background: The aim of this harmonized meta-analysis was to examine the independent and combined effects of physical activity and BMI on the incidence of type 2 diabetes.

Methods: Our systematic literature review in 2011 identified 127 potentially relevant prospective studies of which 9 fulfilled the inclusion criteria (total N = 117,878, 56.2 % female, mean age = 50.

Psychological distress as a determinant of changes in body mass index over a period of 10years.

Objective: To examine the longitudinal relationship between psychological distress and body mass index (BMI) changes over a period of five and ten years.

Method: Data were used from the Dutch, prospective, population based Doetinchem Cohort study over the period 1995/1999 until 2005/2009 (N=5504). Psychological distress was assessed using the Mental Health Inventory (MHI-5).

The effectiveness of interventions for ageing workers on (early) retirement, work ability and productivity: a systematic review.

Purpose: To systematically summarise the literature on the effects of interventions for ageing workers that address work-related measures of sustainable employability, i.e. (early) retirement, work ability and work productivity.