Associations of dietary and drinking water habits with number of natural teeth: a longitudinal study in the Chinese elderly population

Table 7 The associations of drinking water and dietary habits with number of natural teeth in the sensitivity analysis as excluding participants with physical and cognitive impairment^※

Models	β	95 % CI	P
Model 1
Drinking habits
Un-boiled water	Ref
Boiled water	0.186	-0.139 ~ 0.510	0.262
Model 2
Drinking water sources at around 60 years
Tap water	Ref
Well	-1.063	-1.241~ -0.885	< 0.001
Surface water	-0.870	-1.124~ -0.616	< 0.001
Spring	-1.391	-1.793~ -0.989	< 0.001
Model 3
Staple food
Rice	Ref
Corn	-0.434	-0.795~ -0.074	0.018
Wheat	-0.731	-0.922~ -0.541	< 0.001
Rice and wheat	0.101	-0.127 ~ 0.330	0.385
Model 4
Frequency of intake fresh fruit
Almost everyday	Ref
Quite often	-0.286	-0.548~ -0.024	0.032
Occasionally	-0.624	-0.852~ -0.397	< 0.001
Rarely or never	-0.972	-1.227~ -0.718	< 0.001
P for trend	-0.328	-0.407~ -0.249	< 0.001
Model 5
Frequency of intake vegetables
Almost everyday	Ref
Quite often	-0.613	-0.793~ -0.432	< 0.001
Occasionally	-0.501	-0.734~ -0.267	< 0.001
Rarely or never	-0.864	-1.358~ -0.369	0.001
P for trend	-0.326	-0.419~ -0.234	< 0.001
Model 6
Frequency of intake meat
Almost everyday	Ref
Occasionally	-0.284	-0.449~ -0.118	0.001
Rarely or never	-0.272	-0.485~ -0.058	0.013
P for trend	-0.161	-0.264~ -0.057	0.002
Model 7
Frequency of intake fish
Almost everyday	Ref
Occasionally	-0.346	-0.531~ -0.161	< 0.001
Rarely or never	-0.598	-0.803~ -0.394	< 0.001
P for trend	-0.297	-0.399~ -0.195	< 0.001

^※In all models, age, sex, weight, marital status, education, ethnicity, current smoker, current alcohol consumer, physical activity, living areas, false teeth, self-reported health, history of hypertension, history of diabetes, history of cardiovascular diseases, and wave were adjusted

ISSN: 1471-2318