WhatsApp embedded in routine service delivery for smoking cessation: effects on abstinence rates in a randomized controlled study

Table 4 Follow-up, continuity to medication and weight gain status of the control and intervention groups by the end of first and third month^a-d

	Intervention	Control (ref)	OR (95% CI)
	n (%)^b	n (%)^b	OR (95% CI)
First month^a
Adequate total follow-up (n = 132)	23 (52.3)	29 (33.0)	2.45 (1.14–5.27)^c
Adequate telephone follow up (n = 132)	34 (77.3)	56 (63.6)	1.97 (0.86–4.52)
Adequate face-to-face follow up (n = 132)	23 (52.3)	26 (29.5)	2.80 (1.30–6.04)^c
Medication continuity (n = 125)	21 (50.0)	29 (34.9)	1.89 (0.88–4.04)
Weight gain (n = 64)^d	12 (57.1)	20 (55.6)	1.07 (0.39–2.89)
Third month^a
Adequate total follow-up (n = 132)	22 (50.0)	21 (23.9)	3,53 (1.59–7.82)^c
Adequate telephone follow up (n = 132)	4 (9.1)	7 (8.0)	1,13 (0.31–4.12)
Adequate face-to-face follow up (n = 132)	22 (50.0)	26 (29.5)	2,62 (1.21–5.70)^c
Medication continuity (n = 115)	11 (27.5)	8 (10.7)	3,33 (1.19–9.29)^c
Weight gain (n = 64)^d	15 (53.6)	19 (52.8)	1,03 (0.38–2.78)

^aAdjusted for age and sex, ^bColumn percent, ^cp < 0.05, ^dAnalysis executed only for quitters

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