def gen_labor_force_change(shortened_dv_list):
    """Create variables for the change in labor force for the current and
    previous months."""

    labor_force_change = round((shortened_dv_list[5] - shortened_dv_list[4]) * 1000)
    prev_labor_force_change = round((shortened_dv_list[4] - shortened_dv_list[3]) * 1000)

    return labor_force_change, prev_labor_force_change