Table 4.

Characteristics associated with positive behavior change in drinking alcohol, smoking, and sleeping enough

	Drink alcohol less often	Smoke less often	Sleep enough more often
	Among women who reported >7 drinks per week before diagnosis- N=190	Among women who were smokers before diagnosis- N=91	All women- N=1,415
	OR (95% CI)a	OR (95% CI)a	OR (95% CI)b
Demographics
Age at Diagnosis
35–50	1	NC	1
51–60	0.64 (0.26–1.61)	1.00 (ref)	1.20 (0.79–1.82)
61–70	0.68 (0.28–1.70)	1.10 (0.39–3.12)	1.08 (0.70–1.64)
71–80	0.36 (0.08–1.50)	NC	0.89 (0.51–1.57)
Per 5 year increase	0.97 (0.81–1.17)	0.87 (0.54–1.39)	0.95 (0.88–1.04)
Race/ethnicity
Non-Hispanic White	NC	NC	1
Non-Hispanic Black	NC	NC	1.61 (0.90–2.88)
Hispanic	NC	NC	1.64 (0.76–3.54)
BMI (kg/m2) before diagnosis
<25.0	1	1	1
25.0–29.9	1.60 (0.75–3.43)	0.65 (0.21–2.03)	1.51 (1.07–2.14)
30.0+	1.29 (0.53–3.14)	0.94 (0.30–2.96)	1.48 (1.03–2.12)
Per 1 kg/m2 increase	1.02 (0.95–1.09)	0.99 (0.92–1.06)	1.03 (1.01–1.05)
Diagnosis characteristics
Time since diagnosis- years
<2.0	1	NC	1
2.0–3.9	0.85 (0.33–2.21)	1.00 (ref)	1.13 (0.77–1.68)
4.0–5.9	1.03 (0.37–2.86)	0.97 (0.33–2.84)	1.10 (0.73–1.66)
6.0+	1.73 (0.54–5.57)	NC	0.86 (0.49–1.49)
Per 1 year increase	1.10 (0.92–1.31)	1.27 (0.74–2.17)	0.98 (0.90–1.06)
Stage
0	1	1	1
I	1.29 (0.50–3.33)	0.63 (0.20–2.00)	1.13 (0.79–1.62)
II	4.17 (1.45–11.97)	0.96 (0.26–3.63)	1.27 (0.82–1.97)
III/IV	NC	NC	1.77 (0.95–3.29)
Treatment history
Chemotherapy
No	1	1	1
Yes	2.02 (1.01–4.06)	1.03 (0.37–2.93)	1.41 (1.04–1.91)
Trastuzumab
No	1	1	1
Yes	0.88 (0.31–2.51)	NC	1.42 (0.86–2.34)
Endocrine therapy
No	1	1	1
Yes	0.71 (0.33–1.54)	0.83 (0.32–2.14)	1.04 (0.76–1.42)
Surgery and Radiation
Mastectomy	1	1	1
BCS with radiation	0.87 (0.43–1.76)	1.82 (0.71–4.62)	0.88 (0.65–1.18)
BCS without radiation	NC	NC	1.11 (0.54–2.28)

Abbreviations: BMI=body mass index; NC=not calculated (sample size <15); BCS=breast conserving surgery

^aUnadjusted model

^bAdjusted for age at diagnosis and time since diagnosis