Response patterns to a postal survey using a cervical screening register as the sampling frame

Area of Science:

• Public Health
• Survey Methodology
• Epidemiology

Background:

• Postal surveys are common for health research, but understanding response patterns is crucial for data validity.
• Cervical screening programs rely on accurate data collection, often through surveys.
• Identifying factors influencing survey participation can improve outreach and data representativeness.

Purpose of the Study:

• To compare characteristics of early versus late respondents in a postal survey.
• To investigate differences between respondents and non-respondents in a cervical screening survey.
• To explore factors influencing response patterns beyond basic demographics.

Main Methods:

• A random sample of 4057 women aged 20-64 years was selected from a cervical screening register.
• A postal survey was administered, with one reminder sent to non-respondents.
• Statistical analysis compared early, late, and non-respondents based on age, socioeconomic status, attendance history, and smear test results.

Main Results:

• The initial response rate was 57%, increasing to 81% after a reminder.
• Respondents were older than non-respondents, but attendance and normal smear rates were similar.
• Early respondents were more likely to be affluent, live in rural areas, be non-attenders, and have fewer inadequate smear results compared to late respondents.

Conclusions:

• Survey response patterns are influenced by factors beyond simple sociodemographic characteristics.
• Understanding the profile of early versus late respondents is important for interpreting survey data.
• Further research should explore a wider range of factors influencing participation in health surveys.