Table 9.

Incidental finding: participants in the intervention group felt better (mentally or physically) after adjusting their caffeine intake with set goals and reminders after 1 month (p = 0.024).

	IG	CG	Marginal row totals
Felt better	8 (4.8) [2.13]	8 (11.2) [0.91]	16
Did not feel better or did not know how to answer	4 (7.2) [1.42]	20 (16.8) [0.61]	24
Marginal column totals	12	28	40 (grand total)

Table information is provided as follows: observed cell totals (expected cell totals) [chi-square statistic for each cell].