Table 2 Cross-sectionala and prospectiveb associations of dietary intake (mediator), TV viewing (independent) and zBMI (outcome) (n = 259)
Outcome: zBMI | c`-coefficient (direct) β (95% CI) | a-coefficient β (95% CI) | b-coefficient β (95% CI) | ab/indirect (mediated/indirect)c | |
|---|---|---|---|---|---|
Independent: TV viewing | Uncorrected β (95% CI) | Bias-corrected β (95% CI) | |||
Cross-sectional mediators | |||||
 Discretionary food (freq/day) | 0.05 (−0.02, 0.13) | 0.01 (−0.03, 0.05) | −0.39 (−0.65, −0.13)** | −0.04 (−0.18, 0.10) | −0.04 (−0.23, 0.12) |
 SSB (freq/day) | 0.05 (−0.03, 0.13) | 0.02 (−0.03, 0.07) | 0.03 (−0.15, 0.22) | 0.01 (−0.04, 0.05) | 0.01 (−0.07, 0.09) |
 Takeaway food (freq/week) | 0.05 (−0.02, 0.13) | 0.06 (0.01, 0.12)* | −0.07 (−0.24, 0.09) | −0.05 (−0.16, 0.07) | −0.05 (−0.22, 0.06) |
Prospective mediators | |||||
 At baseline |  |  |  |  |  |
  Discretionary foods (freq/day) | −0.01 (−0.04, 0.02) | 0.01 (−0.02, 0.05) | 0.02 (−0.09, 0.13) | 0.01 (−0.01, 0.02) | 0.01 (−0.02, 0.04) |
  SSB (freq/day) | −0.01 (−0.04, 0.02) | 0.02 (−0.03, 0.07) | 0.03 (−0.04, 0.11) | 0.01 (−0.02, 0.03) | 0.01 (−0.02, 0.04) |
  Takeaway food (freq/week) | −0.01 (−0.04, 0.02) | 0.07 (0.01, 0.12)* | −0.01 (−0.07, 0.06) | −0.01 (−0.04, 0.05) | −0.01 (−0.06, 0.05) |
 At follow-up |  |  |  |  |  |
  Discretionary foods (freq/day) | −0.01 (−0.04, 0.02) | 0.02 (−0.02, 0.07) | −0.04 (−0.13, 0.06) | −0.01 (−0.04, 0.02) | −0.01 (−0.06, 0.02) |
  SSB (freq/day) | −0.01 (−0.04, 0.02) | −0.01 (−0.05, 0.04) | 0.03 (−0.06, 0.11) | −0.001 (−0.01, 0.01) | −0.001 (−0.03, 0.02) |
  Takeaway food (freq/week) | −0.01 (−0.04, 0.02) | 0.10 (0.04, 0.16)* | 0.02 (−0.05, 0.08) | 0.02 (−0.05, 0.08) | 0.02 (−0.04, 0.09) |