Religion Non-Fiction, Consumption of - Measurement Concept

How often/how much does the respondent read religious non-fiction? Note - may need to search for specific titles such as Purpose-Driven Life.
5 Questions match selected parameters.

Survey Questions

Q70CA from Baylor Religion Survey, Wave I (2005)
Q70 If you purchased any of the following religiously-themed items in the past year, please indicate where you purchased the item c. Religious non-fiction books, such as the Purpose-Driven Life online merchant Q70CB from Baylor Religion Survey, Wave I (2005)
Q70 If you purchased any of the following religiously-themed items in the past year, please indicate where you purchased the item c. Religious non-fiction books, such as the Purpose-Driven Life religious store Q70CC from Baylor Religion Survey, Wave I (2005)
Q70 If you purchased any of the following religiously-themed items in the past year, please indicate where you purchased the item c. Religious non-fiction books, such as the Purpose-Driven Life non-religious store Q70CD from Baylor Religion Survey, Wave I (2005)
Q70 If you purchased any of the following religiously-themed items in the past year, please indicate where you purchased the item c. Religious non-fiction books, such as the Purpose-Driven Life my place of worship Q73F from Baylor Religion Survey, Wave I (2005)
Q73 Have you read any of the following books..The Purpose-Driven Life by Rick Warren