Table 1. The design, size, type of intervention or length of follow-up and endpoints of studies 1-5.

Study

Design

Size

Intervention/Follow up

Endpoints

1

randomized
controlled trial

20 trained and 22 control type 1 diabetic men

12-16 weeks of running exercise

lipid profile

2

case-control study

9 type 1 diabetic and
13 control men

40 min exercise at 60% VO2max

lipid peroxidation

3

case-control study

9 type 1 diabetic and
13 control men

40 min exercise
at 60% VO2max

endogenous antioxidants

4

prospective cohort study

1005 non-diabetic middle-aged men

four-year follow up

association of the etabolic syndrome with diabetes

5

prospective cohort study

612 (771) non-diabetic
men without the metabolic syndrome

four-year follow up

association of physical activity and fitness with the metabolic syndrome