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Count days since last use of a given substance

Source: R/scores_su_sui_tlfb.R
compute_su_y_sui__last__day_count.Rd

Computes the number of days since the last use of a given substance as of the day of the substance use interview. Returns NA for the participants with no reported use of the provided substance.

Usage

compute_su_y_sui__last__day_count(data, name, substance, combine = TRUE)

Arguments

data

tibble. A data frame containing the data.

name

character. The name of the output column for the computed score.

substance

character (vector). The substance to compute the score for. Must be one of the following values:

  • "alc"

  • "alc__sip"

  • "rxstim"

  • "cath"

  • "cbd"

  • "coc"

  • "dxm"

  • "ghb"

  • "hall"

  • "inh"

  • "ket"

  • "meth"

  • "mdma"

  • "mj__blunt"

  • "mj__conc"

  • "mj__conc__smoke"

  • "mj__conc__vape"

  • "mj__drink"

  • "mj__edbl"

  • "mj__smoke"

  • "mj__vape"

  • "mj__synth"

  • "mj__tinc"

  • "nic__chew"

  • "nic__cigar"

  • "nic__cig"

  • "nic__hookah"

  • "nic__pipe"

  • "nic__rplc"

  • "nic__vape"

  • "opi"

  • "othdrg"

  • "qc"

  • "roid"

  • "rxopi"

  • "salv"

  • "shroom"

  • "rxsed"

  • "vape"

  • "vape__flav"

combine

logical. Whether to combine the summary score column with the input data frame (Default: `TRUE“).

Value

tbl. The input data frame with the summary score appended as a new column.

Examples

if (FALSE) { # \dontrun{
compute_su_y_sui__last__day_count(
  data = data_sui,
  name = "su_y_sui__alc__last__day_count",
  substance = "alc"
)
} # }