Table 1.

Differences in apps coded “by description” and “by use.”

App	BCTs by Description	BCTs by Use
Standland®	2.2 Feedback on behavior 2.3 Self-monitoring of behavior 3.1 Social support (unspecified) 5.1 Information about health consequences 10.3 Non-specific reward	1.1 Goal-setting (behavior) 2.2 Feedback on behavior 2.3 Self-monitoring of behavior 3.1 Social support (unspecified) 8.7 Graded tasks 10.3 Non-specific reward 15.3 Focus on past successes
Rise & Recharge®	1.1 Goal-setting (behavior) 2.3 Self-monitoring of behavior 5.1 Information on health consequences 7.1 Prompts/cues 9.1 Credible source 10.3 Non-specific reward	1.1 Goal-setting (behavior) 2.2 Feedback on behavior 2.3 Self-monitoring of behavior 5.1 Information on health consequences 7.1 Prompts/cues 8.2 Behavior substitution 10.3 Non-specific reward
Sitting®	2.2 Feedback on behavior 2.3 Self-monitoring of behavior 5.1 Information about health consequences 7.1 Prompts/cues	1.1 Goal-setting (behavior) 2.2 Feedback on behavior 2.3 Self-monitoring of behavior 7.1 Prompts/cues
Stand Up®*	1.1 Goal-setting (behavior) 2.3 Self-monitoring of behavior 2.4 Self-monitoring of outcome(s) of behavior 5.1 Information about health consequences 7.1 Prompts/cues 9.1 Credible source	1.1 Goal-setting (behavior) 2.2 Feedback behavior 2.3 Self-monitoring of behavior 5.1 Information about health consequences 7.1 Prompts/cue 9.1 Credible source

Bolded BCTs indicate discrepancies between coding “by description” and “by use.” *This is app 8 as indicated in the Supplementary Table 2.