preferred_name: Difference in ADL Self-Performance or ADL Support, comparing mornings to evenings
preferred_name_lc: difference in adl self-performance or adl support, comparing mornings to evenings
label: Difference in Activities of daily living Self-Performance or Activities of daily living Support, comparing mornings to evenings
label_lc: difference in activities of daily living self-performance or activities of daily living support, comparing mornings to evenings