Table 2.

Baseline characteristic of participants according to quintiles of dietary patterns (n = 421,426).

Baseline Characteristic	Traditional Northern Dietary Pattern			Balanced Dietary Pattern
	Q1	Q3	Q5	Q1	Q3	Q5
Age (year, $\overline{\mathrm{x}}$)	49.11	49.41	53.46	53.08	50.44	48.92
Women (%)	48.46	58.81	65.77	69.31	57.19	56.03
Urban area (%)	50.13	49.24	17.00	6.75	37.97	86.11
Southern area (%)	98.92	85.10	0.25	43.10	73.52	47.32
Married (%)	91.63	91.37	92.19	87.45	91.67	94.12
High school and above (%)	12.71	21.61	28.85	9.72	17.04	35.36
Household income≥ 20,000 CNY/year (%)	38.54	44.13	48.55	24.27	39.62	60.29
Current smoker (%)	32.69	28.66	25.33	29.37	29.33	26.45
Current drinker (%)	22.30	13.50	11.41	11.79	15.01	17.71
Using nutritional supplement (%)	10.23	17.38	28.10	7.61	13.35	29.12
Passive smoker (%)	79.19	75.66	71.87	75.97	76.27	73.38
Cooking with solid fuel (%) a	43.01	37.32	30.24	42.83	36.77	23.47
Heating with solid fuel (%) a	39.54	37.94	36.79	40.43	39.37	32.10
Physical activity (MET-h/d, $\overline{\mathrm{x}}$)	22.91	21.89	21.75	22.88	22.47	20.93
BMI (kg/m2, $\overline{\mathrm{x}}$)	23.69	23.69	23.40	23.30	23.63	23.79

Note: The results were shown as adjusted means or percentages, with adjustment for age, sex, and region, if appropriate. CNY: unit of Chinese money Yuan; MET: metabolic equivalent task; BMI: body mass index. ^a Solid fuel included coal and wood.