The Impact of Body Mass Index and Weight Changes on Disability Transitions and Mortality in Brazilian Older Adults

Table 1

Prevalence of ADL, IADL, and Nagi’s limitations, by sex and BMI categories, São Paulo, 2000 (weighted estimates).

	Total	Underweight	Normal	Overweight	Obese	𝑃
Total	𝑛= 1,788	𝑛=419	𝑛=775	𝑛=217	𝑛=377
ADL	16.7	14.7	13.9	18.2	23.4	**
IADL	24.4	28.9	21.0	25.0	26.7	**
Nagi	57.8	52.7	50.7	61.5	74.9	***
Females	𝑛= 1,062	𝑛=212	𝑛=415	𝑛=130	𝑛=305
ADL	19.8	14.8	17.2	22.2	25.4	**
IADL	30.5	36.5	26.7	33.8	30.4
Nagi	67.2	59.7	60.5	73.9	78.3	***
Males	𝑛=726	𝑛=207	𝑛=360	𝑛=87	𝑛=72
ADL	12.3	14.5	10.3	13.4	15.7
IADL	15.6	19.9	14.6	13.9	12.7
Nagi	44.1	44.4	39.6	45.9	61.8	**

ADL: activities of daily living; IADL: instrumental activities of daily living.
*** P < 0.001; **P < 0.05; *P < 0.10.