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Classify physical activity intensity from METs

Source: R/pa_intensity.R
classify_pa_intensity.Rd

Bins metabolic equivalent (MET) values into the four PA intensity classes used throughout Batista et al. (2026) and consistent with WHO PA intensity conventions: light, moderate, vigorous, very vigorous.

Usage

classify_pa_intensity(mets)

Arguments

mets

Numeric vector of MET values, e.g. from estimate_ee() or measured directly (indirect calorimetry, published equations, etc.). MET-based, not device-specific – any source of METs can be classified.

Value

An ordered factor with levels c("light", "moderate", "vigorous", "very_vigorous"), same length as mets. Bands: [0,3) light, [3,6) moderate, [6,9) vigorous, [9,Inf) very vigorous.

See also

estimate_ee(), pa_equations()

Examples

mets <- estimate_ee(c(0, 5000, 25000, 50000), device = "ACTT", placement = "hip")
classify_pa_intensity(mets)
#> [1] light         light         vigorous      very_vigorous
#> Levels: light < moderate < vigorous < very_vigorous