TABLE 1.
Study characteristics of the 4 population studies in PREVIEW1
| Population study | Country | Baseline | Follow-up | Dietary assessment method | Diabetes ascertainment | n | Age range, y | Men, % |
|---|---|---|---|---|---|---|---|---|
| Lifelines | The Netherlands | 2006–2013 | 2014–2017 | FFQ | Self-reported diagnosis, diabetes medication use, FPG (mmol/L), HbA1c (mmol/mol) | 75,778 | 18–90 | 41 |
| NQplus | The Netherlands | 2011–2013 | 2013–2015 | FFQ | Self-reported diagnosis, diabetes medication use, FPG (mmol/L), HbA1c (mmol/mol) | 1316 | 20–76 | 52 |
| (Cardiovascular Risk in) Young Finns Study | Finland | 2007–2008 | 2010–2012 | FFQ | Self-reported diagnosis, diabetes medication use, FPG (mmol/L) | 1502 | 30–45 | 43 |
| Quebec Family Study | Canada | 1992–1994 | 1997 | 3-d dietary record | Self-reported diagnosis, FPG (mmol/L) | 255 | 18–78 | 43 |
1
FFQ, food-frequency questionnaire; FPG, fasting plasma glucose; HbA1c, glycated hemoglobin; NQplus, Nutrition Questionnaires plus.