Latar Belakang : Penuaan pada lansia dapat menurunkan fungsi kognitif, mempengaruhi kemandirian, terutama dalam IADL. Di Desa Melinggih, Gianyar, prevalensi gangguan kognitif pada lansia mencapai 35%, meningkatkan ketergantungan dalam aktivitas sehari-hari. Tujuan : Untuk mengetahui hubungan antara fungsi kognitif dengan pemenuhan IADL (Instrumental Activity Daily Living) pada Lansia di Desa Melinggih. Metode : Penelitian ini menggunakan pendekatan cross-sectional. Populasi dalam penelitian ini yaitu lansia yang ada di Desa Melinggih dengan jumlah sampel sebanyak 318 responden dengan metode stratified sampling. Instrumen penelitian yang digunakan ada dua yaitu kuesioner mini-cog dan kuesioner lawton. Data dianalisis menggunakan Spearman-rho. Hasil : Hubungan antara fungsi kognitif dengan pemenuhan IADL (Instrumental Activity of Daily Living) pada lansia di Desa Melinggih menggunakan Uji Spearman-rho terdapat korelasi positif yang cukup kuat antara kedua variabel, r=0,424, n= 318, p-value (0,01)

Background. Aging in the elderly can decrease cognitive function, and affect independence, especially in Instrumental Activity Daily Living (IADL). In Melinggih Village Gianyar regency, the prevalence of cognitive impairment in the elderly reached 35% and it increases the dependence in daily activities. Aim. To determine the correlation between cognitive function and the fulfillment of IADL in the elderly at Melinggih Village. Method. This study employed cross-sectional approach. There were 318 respondents recruited as the sample using stratified sampling technique. The data were collected by applying two research instruments, namely the Mini-cog and the Lawton questionnaire. The data were analyzed by using Spearman-rho test. Finding. The finding of statistical test showed that there was a strong positive correlation between the two variables, r=0.424, n= 318, p-value (0.01)