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Table 2 Tally of tailoring effects

From: A systematic review of three approaches for constructing physical activity messages: What messages work and what improvements are needed?

Study/Message Characteristic Significant tailoring effect Significant and non-significant trend towards a tailoring effect
Total 58% (7/12) 83% (10/12)
Nature of the control group   
   No message control/non-PA message 100% (6/6) 100% (6/6)
   Generic PA message 17% (1/6) 67% (4/6)
Assessment timeframea   
   1 mos. 67% (2/3) 67% (2/3)
   2 mos. 67% (2/3) 67% (2/3)
   3 mos. 50% (2/4) 75% (3/4)
   4-6 mos. 42% (3/7) 71% (5/7)
   12 mos. 50% (1/2) 50% (1/2)
Mode of delivery   
   Print 44% (4/9) 78% (7/9)
   Online 100% (3/3) 100% (3/3)
Dose   
   Single 50% (2/4) 50% (2/4)
   More than 1b 63% (5/8) 100% (8/8)
  1. Note. Twelve studies were included in the frequency analysis. a Studies with multiple assessment points are included in the tally at each relevant time point. bDose: More than 1 includes messages delivered using unlimited internet access.