Table 3 Agreement of age-gender among participants of completed surveys by country, February to April 2023.

From: A study in Bangladesh, Colombia, and Uganda on creating and retaining mobile health survey panels for longitudinal data collection

Variable

Bangladesh

Colombia

Uganda

Age (years)

 Kappa (W 1–2)

0.89 (Agreement: 95.0%, p < 0.001)

0.93 (Agreement: 95.5%, p < 0.001)

0.83 (Agreement: 91.1%, p < 0.001)

 Kappa (W 2–3)

0.93 (Agreement: 96.8%, p < 0.001)

0.96 (Agreement: 97.3%, p < 0.001)

0.89 (Agreement: 94.0%, p < 0.001)

 Kappa (W 1–3)

0.90 (Agreement: 95.4%, p < 0.001)

0.94 (Agreement: 96.1%, p < 0.001)

0.85 (Agreement: 92.0%, p < 0.001)

Gender

 Kappa (W 1–2)

0.82 (Agreement: 95.3%, p < 0.001)

0.89 (Agreement: 94.6%, p < 0.001)

0.75 (Agreement: 89.5%, p < 0.001)

 Kappa (W 2–3)

0.89 (Agreement: 97.1%, p < 0.001)

0.89 (Agreement: 94.4%, p < 0.001)

0.82 (Agreement: 92.9%, p < 0.001)

 Kappa (W 1–3)

0.83 (Agreement: 95.7%, p < 0.001)

0.86 (Agreement: 93.1%, p < 0.001)

0.79 (Agreement: 91.1%, p < 0.001)

Age & gender

 Kappa (W 1–2)

0.86 (Agreement: 91.5%, p < 0.001)

0.90 (Agreement: 91.6%, p < 0.001)

0.80 (Agreement: 85.2%, p < 0.001)

 Kappa (W 2–3)

0.91 (Agreement: 94.9%, p < 0.001)

0.91 (Agreement: 93.0%, p < 0.001)

0.85 (Agreement: 89.1%, p < 0.001)

 Kappa (W 1–3)

0.87 (Agreement: 92.5%, p < 0.001)

0.90 (Agreement: 91.6%, p < 0.001)

0.82 (Agreement: 87.0%, p < 0.001)