Table 2.

Variables which LASSO identified as being most predictive across gymgoers

	Importance	Q1	Median	Q3	% zero	% positive	Predictive effect
Time lag	1.25	−1.40	−0.34	−0.02	22	2	Negative
Monday	0.36	0.00	0.11	0.50	32	57	Positive
Tuesday	0.35	0.00	0.10	0.49	33	56	Positive
Attendance last 7 d	0.34	0.09	0.29	0.47	9	82	Positive
Day-of-week streak	0.23	0.00	0.11	0.30	25	69	Positive