Appendix Table 1.

Baseline comparison of analytical sample (n=540) vs analytical sample plus loss to follow-up (n=716) (mean ± SD or %)

	n=540 analysis sample	n=716 analysis sample + loss to follow-up
Age (years)	49.0 ± 6.5	48.7 ± 6.4
Female	78.0	75.4
Current smoker	20.9	22.4
Income (< $20,000 per year)	56.4	58.3
Education
< High School	11.5	12.4
High School	42.2	42.3
≥ Some College	46.3	45.3
Physical activity: METs	24.7 ± 45.5	22.5 ± 42.2
Obese	57.0	58.7
Waist circumference (cm)	103.9 ± 12.8	104.8 ± 13.2
Alcohol consumption (g/day)	2.2 ± 6.1	2.3 ± 6.3
Sleep breathing disorder	14.3	12.9
HOMA-IR	2.4 ± 1.76	2.6 ± 2.0
Pre-diabetes	48.0	47.9
Diabetes	6.1	8.4
High BP Medication Use	3.5	3.5
C-reactive protein (mmol/L)	5.7 ± 6.0	5.9 ± 6.4
Plaque score	0.78 ± 0.59	0.83 ± 0.63
No. of sites bleeding on probing	12.7 ± 12.1	13.5 ± 12.6
Moderate/severe periodontitis	62.2	63.5
Active caries	1.2 ± 4.2	1.4 ± 4.2
Add salt at the table
Never	69.4	69.2
Sometimes/Always	30.6	30.9
Fruit and vegetables (g/week)	7.2 ± 4.1	7.0 ± 4.1
Mouthwash >= 2/day	23.3	23.5