Title: Sick-leave Track Record and Other Potential Determinants of a Disability Pension a Population Based Study of 8,218 Men and Women Followed for 16 Years

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Abstract	Wallman T et al. Sick-leave track record and other potential determinants of disability pension-Comments to the revised version: Main questions The authors have not fully understood the general questions that were raised in my first response, and especially the link between question 1 and 2. In addition the authors generally seemed not very open towards the criticism and suggestions put forward by reviewers 1. There is a huge literature on predictors of future disability pension in the general population and among persons on sick leave. A large part of this literature used data from population health surveys. An important aspect of these studies is a very long follow-up, which is both a strength and a limitation (causal links may be weakened over time). To mention some of these: Krause et al with data from a health survey in Finland (1), studies from Denmark (2), Sweden(3-8) and some very recent studies from Norway, Hunt study(9, 10). The studies have focused on socioeconomic factors, mental health, self-rated health (SRH) and lifestyle factors. There are also a couple of similar studies which have used data from occupational health surveys and even studies with conscription data (young men). It is surprising that this literature is not used as background data since this study have the same design except for the follow up sickness absence data. The authors reply that they are aware of these studies, and these references (ref 16-25) are now included, however without indicating their importance. It is not very helpful to bundle together 20 references (5-25) In the discussion these references are not mentioned even though the present study seems to contradict previous findings from studies with largely similar design. 2. The authors mention the problem that socioeconomic data are not updated, and that baseline data are used. For some cases survey data are collected before and for some after baseline, which might be somewhat problematic, put this was not my point. Except for education, and smoking the most important determinants from other similar studies based on health surveys, were not included: Workplace factors, BMI, mental health, and not least self-rated health. This is crucial since the study hypothesis is that there were no signs of impaired health initially in the study (no difference in sickness absence) and that the health problems seemed to develop gradually over a long period of time. The previous studies seemed to show that the health …
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