Fig 1.
Overview of the sample size.
Table 1.
Overview of the indicators.
Table 2.
Characteristics of the respondents (n = 149).
Table 3.
Kappa coefficients and percentages of agreement between paper-and-pencil and web-based mode for categorical indicators.
Table 4.
Intraclass correlation between the paper-and-pencil and web-based mode for continuous indicators.
Table 5.
Comparison of missing values, ‘don’t know’ values and inconsistent values between the paper-and-pencil and web-based mode and number of data entry mistakes in the paper-and-pencil mode (n = 149).