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„π™à«ß —ª¥“Àå ÿ¥∑⓬‡¡◊ËÕ ‘Èπ ÿ¥°“√«‘®—¬ π—¥ Õ¬à“ß¡’π—¬ ”§—≠∑“ß ∂‘μ‘ (p-value = 0.000) ¥—ß· ¥ß

°≈ÿà¡μ—«Õ¬à“ߢÕß∑—Èß 2 ‚√ß欓∫“≈ ‡æ◊ËÕ‡®“–‡≈◊Õ¥ „πμ“√“ß∑’Ë 1.1
™—ËßπÈ”Àπ—°·≈–«—¥ à«π Ÿß‡æ◊ËÕ„™â§”π«≥À“§à“¥—™π’ 1.1 §à“‡©≈’ˬ¥—™π’¡«≈°“¬

¡«≈°“¬ (BMI) ·≈–𔉪„™â„π°“√‡ª√’¬∫‡∑’¬∫ º≈®“°°“√«‘‡§√“–Àå ‡¡◊ËÕ‡ª√’¬∫‡∑’¬∫§à“
√–À«à“ß°≈ÿà¡∑¥≈Õß°—∫°≈ÿࡇª√’¬∫‡∑’¬∫ ¥—™π’¡«≈°“¬¿“¬„π°≈ÿà¡∑¥≈Õß æ∫«à“À≈—ß°“√
°“√«‘‡§√“–Àå¢âÕ¡Ÿ≈ „™â ∂‘쑇™‘ßæ√√≥π“ ∑¥≈Õß °≈ÿà¡∑¥≈Õß¡’§à“¥—™π’¡«≈°“¬≈¥≈ß ®“°

(descriptive statistics) „π°“√«‘‡§√“–ÀåÀ“§à“ °àÕπ°“√∑¥≈ÕßÕ¬à“ß¡’π—¬ ”§—≠∑“ß ∂‘μ‘ (p-value =
mean, Standard deviation °“√«‘‡§√“–Àå¢âÕ¡Ÿ≈ 0.000) à«π°≈ÿࡇª√’¬∫‡∑’¬∫π—Èπæ∫«à“§à“‡©≈’ˬ¥—™π’

À“§«“¡·μ°μà“ߢÕß§à“§–·ππ‡©≈’ˬ ¿“¬„π°≈ÿà¡ ¡«≈°“¬∑—Èß°àÕπ°“√∑¥≈Õß·≈–À≈—ß°“√∑¥≈Õ߉¡à
∑¥≈Õß·≈–°≈ÿࡇª√’¬∫‡∑’¬∫°àÕπ·≈–À≈—ß°“√∑¥≈Õß ·μ°μà“ß°—π (p-value = 0.592) ¥—ß· ¥ß„πμ“√“ß∑’Ë
¥â«¬ ∂‘μ‘ Paired sample t-test ·≈–À“§«“¡·μ° 1.2

μà“ߢÕß§à“§–·ππ‡©≈’ˬ √–À«à“ß°≈ÿà¡∑¥≈Õß°—∫ 1.2 §à“√–¥—∫§Õ‡≈ ‡μÕ√Õ≈
°≈ÿࡇª√’¬∫‡∑’¬∫°àÕπ·≈–À≈—ß°“√∑¥≈Õß ¥â«¬ ∂‘μ‘ º≈®“°°“√«‘‡§√“–Àå ‡¡◊ËÕ‡ª√’¬∫‡∑’¬∫§à“
Independent sample t-test √–¥—∫§Õ‡≈ ‡μÕ√Õ≈¿“¬„π°≈ÿà¡∑¥≈Õß æ∫«à“À≈—ß

°“√∑¥≈Õß °≈ÿà¡∑¥≈Õß¡’§à“√–¥—∫§Õ‡≈ ‡μÕ√Õ≈
º≈°“√»÷°…“
≈¥≈ß ®“°°àÕπ°“√∑¥≈ÕßÕ¬à“ß¡’π—¬ ”§—≠∑“ß ∂‘μ‘
1. º≈°“√‡ª≈’ˬπ·ª≈ߢÕß§à“¥—™π’¡«≈°“¬ (p-value = 0.000) à«π°≈ÿࡇª√’¬∫‡∑’¬∫π—Èπæ∫«à“

·≈–√–¥—∫§Õ‡≈ ‡μÕ√Õ≈ °àÕπ°“√∑¥≈Õß ·≈–À≈—ß §à“√–¥—∫§Õ‡≈ ‡μÕ√Õ≈∑—Èß°àÕπ°“√∑¥≈Õß·≈–À≈—ß
°“√∑¥≈Õß °“√∑¥≈Õ߉¡à·μ°μà“ß°—π (p-value = 0.295) ¥—ß

º≈°“√«‘‡§√“–Àå æ∫«à“ §à“¥—™π’¡«≈°“¬√–À«à“ß · ¥ß„πμ“√“ß∑’Ë 1.3
°≈ÿà¡∑¥≈Õß°—∫°≈ÿࡇª√’¬∫‡∑’¬∫ °àÕπ°“√∑¥≈Õß 2. √ÿªº≈°“√ ¡¡μ‘∞“π¢Õß§à“¥—™π’¡«≈°“¬
·μ°μà“ß°—πÕ¬à“ß¡’π—¬ ”§—≠∑“ß ∂‘μ‘ (p-value = ·≈–§à“√–¥—∫§Õ‡≈ ‡μÕ√Õ≈°àÕπ°“√∑¥≈Õß·≈–

0.015) ·≈–‡¡◊ËÕ‡ª√’¬∫‡∑’¬∫§à“¥—™π’¡«≈°“¬√–À«à“ß À≈—ß°“√∑¥≈Õß ¥—ßπ’È
°≈ÿà¡∑¥≈Õß°—∫°≈ÿࡇª√’¬∫‡∑’¬∫¿“¬À≈—ß ‘Èπ ÿ¥°“√ 2.1 §à“¥—™π’¡«≈°“¬ æ∫«à“ °àÕπ°“√∑¥≈Õß

∑¥≈Õß æ∫«à“¡’§«“¡·μ°μà“ß°—πÕ¬à“ß¡’π—¬ ”§—≠ §à“‡©≈’ˬ¢Õß§à“¥—™π’¡«≈°“¬¢Õß°≈ÿà¡∑¥≈Õß Ÿß°«à“
∑“ß ∂‘μ‘ (p-value = 0.019) à«π√–¥—∫§Õ‡≈ ‡μÕ√ °≈ÿࡇª√’¬∫‡∑’¬∫‡≈Á°πâÕ¬ Õ¬à“ß¡’π—¬ ”§—≠∑“ß ∂‘μ‘
Õ≈‡¡◊ËÕ‡ª√’¬∫‡∑’¬∫√–À«à“ß°≈ÿà¡∑¥≈Õß°—∫°≈ÿࡇª√’¬∫ (p-value = 0.015) ·≈–À≈—ß®“°°“√∑¥≈Õß æ∫«à“

‡∑’¬∫ æ∫«à“ √–¥—∫§Õ‡≈ ‡μÕ√Õ≈°àÕπ°“√∑¥≈ÕߢÕß °≈ÿà¡∑¥≈Õß¡’§à“‡©≈’ˬ¢Õß§à“¥—™π’¡«≈°“¬ ≈¥≈ß
∑—Èß Õß°≈ÿࡉ¡à·μ°μà“ß°—π (p-value = 0.641) ·≈– Õ¬à“ß¡’π—¬ ”§—≠∑“ß ∂‘μ‘ (p-value = 0.000) μà“ß°—∫
‡¡◊ËÕ‡ª√’¬∫‡∑’¬∫§«“¡·μ°μà“ߢÕß√–¥—∫§Õ‡≈ ‡μ °≈ÿࡇª√’¬∫‡∑’¬∫∑’Ë§à“‡©≈’ˬ¢Õß§à“¥—™π’¡«≈°“¬‰¡à

Õ√Õ≈√–À«à“ß°≈ÿà¡∑¥≈Õß°—∫°≈ÿࡇª√’¬∫‡∑’¬∫¿“¬ ≈¥≈ß (p-value = 0.592)
À≈—ß ‘Èπ ÿ¥°“√∑¥≈Õß æ∫«à“¡’§«“¡·μ°μà“ß°—π 2.2 §à“√–¥—∫§Õ‡≈ ‡μÕ√Õ≈ æ∫«à“ °àÕπ°“√