Recruiting participants for ergonomic research using self-reported stature and body mass
H. Kılıç (TU Delft - Materials and Manufacturing, Mugla Sitki Kocman University)
G. Vledder (TU Delft - Materializing Futures)
X. Yao (TU Delft - Materializing Futures)
W.S. Elkhuizen (TU Delft - Mechatronic Design)
Y. Song (TU Delft - Materializing Futures)
P. Vink (TU Delft - Materializing Futures)
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Abstract
BACKGROUND: A valid distribution of key anthropometric parameters among participants is often a perquisite of ergonomics research. OBJECTIVE: In this paper, we investigated the accuracy of self-reported stature and body mass of the population in the Netherlands. METHODS: Data from 4 experiments was synthesized where in each experiment, participants self-reported their stature and body mass prior to being measured, of which they were not notified before. RESULTS: Statistical analysis of 249 records indicated that on average, participants overreported their stature by 1.31 cm and underreported their mass by 1.45 kg. This is especially true for people with a BMI ≥ 25. CONCLUSION: Two models were proposed to adjust the self-reported stature and body mass for ergonomic researchers in a survey or recruitment. Limitations in using the models are highlighted as well.
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