The obvious case is that of the variable "labour income", which habitually requires us to predict counterfactual values, as income is only observed in the declared employment status.
Disability has been widely studied, particularly through the Global Burden of Disease Report; dependence, defined as 'the need for frequent human help or care beyond that habitually required by a healthy adult' [ 5], much less so.
Our results showed that old age, female sex and lower education were associated to dependence defined as the need of help to perform activities of daily living beyond that habitually required by healthy individuals.
In these traditional and less developed settings, where most older people live with their children and are routinely provided with support for both core and instrumental activities of daily living, it may be difficult to identify 'the need for frequent human help or care beyond that habitually required by a healthy adult'.
I made this resolution out of a sense that I habitually reached for the iPhone even when I really didn't need to, when I might have just enjoyed an experience, like the sunset, without any technology.
In every country I visit, I habitually watch the postman.
Because I habitually invite comments and questions, I invariably obtain useful knowledge and insights from students.
Judging by its first two pages, that is — as I habitually do.
I habitually rejected them at restaurants, long before it became the trendy thing to do.
But I habitually taste the wines, too, before serving them with a meal.
I'm a compulsive mouse clicker — I habitually click on text while reading articles — and this feature drives me crazy!
