⇃ᮏ㧗➼ᑓ㛛Ꮫᰯ ◊✲⣖せ ➨ ྕ㸦㸧
╧╀ぢᏲࡾࢭࣥࢧ࣮ࢹ࣮ࢱࡢᵓ㐀᪉⛬ᘧࣔࢹࣜࣥࢢࡼࡿᅉᯝศᯒ
▼ ಙᘯ
1,*ᒣᮏ ┤ᶞ
1▼⏣ ᫂⏨
2ᮧୖ ⣧
1A Causal Analysis by Structural Equation Modeling of Sleep Monitoring Sensor Data
Nobuhiro Oishi1,*, Naoki Yamamoto2, Akio Ishida3, Jun Murakami2In this paper, structural equation modeling (SEM) is used to analyze the causal relationship between sleep stages and environmental data. The data used for the analysis is obtained by a care support device used in an elderly care facility. By applying the stepwise method to this data, we were able to find four observation variables that affect sleep stages. The latent variables are then determined by a scree plot. We proposed a causal model in which four observed variables and two latent variables affect sleep levels. Statistical analysis environment R and the lavaan package were used for SEM analysis in this paper. The results show that SEM can be used to build a rational model for the effects of vital signs and environmental conditions on good sleep.
࣮࣮࢟࣡ࢻ㸸╧╀ぢᏲࡾࢭࣥࢧ࣮ࠊᅉᯝศᯒࠊᵓ㐀᪉⛬ᘧࣔࢹࣜࣥࢢࠊR ゝㄒ
.H\ZRUGV㸸sleep monitoring sensor, causal analysis, structural equation modeling, R language
㸯㸬ࡣࡌࡵ
㏆ᖺࠊ㔞ࡢࢹ࣮ࢱࡀᐜ᫆ᡭධࡿࣅࢵࢢࢹ࣮ࢱࡢ ௦࡞ࡗࡓ(1)ࠋ⏝ྍ⬟࡞ࢹ࣮ࢱࡋ࡚ࡣࠊID POS ࢹ࣮ ࢱࡸࢿࢵࢺ㏻㈍ࡢ㉎㈙ࢹ࣮ࢱࠊ࢙࢘ࣈࢧࢺࡢ㜀ぴ⤫ィࡸ SNS ࡛ࡢⓎಙ⤫ィࠊ⏝㌴ࡢ⮬ື㐠㌿ࡸ࢙࢘ࣛࣈࣝ➃ᮎ ➼ᦚ㍕ࡉࢀࡓྛ✀ࢭࣥࢧ࣮ࡼࡿ≀⌮㔞ࢹ࣮ࢱࡸ⨨ ሗࠊ⏕యሗࠊN ࢩࢫࢸ࣒௦⾲ࡉࢀࡿᅛᐃ࣓࢝ࣛࡢ⏬ീ ࡽᚓࡽࢀࡿྛ✀ࡢሗ࡞ࡀ࠶ࡿࠋ ほ ࡉࢀࡿሗ㛫ࡢ㛵ಀᛶࢆ⤫ィⓗศᯒࡍࡿࡇ࡛ࠊ ࡲ࡛᭕ࡔࡗࡓほ ኚᩘ㛫ࡢ㛵ಀᛶࢆࡣࡗࡁࡾ♧ࡍࡇ ࡀ࡛ࡁࡿࡼ࠺࡞ࡗࡓࠋ࠼ࡤࠊ㔜ᅇᖐศᯒࠊࡉࡽࡣ ₯ᅾኚᩘࢆ⤌ࡳ㎸ࢇ࡛ࣔࢹࣝࡋࡓ᥈⣴ⓗᅉᏊศᯒ㸦EFA ; Exploratory Factor Analysis 㸧 ࡸ ☜ ㄆ ⓗ ᅉ Ꮚ ศ ᯒ 㸦 CFA ; Confirmatory Factor Analysis㸧࡞ࡀᣲࡆࡽࢀࡿࠋほ ࡉࢀࡓሗ㛫ࡣࠊ㛵ಀᛶࡀ࠶ࡿࡤࡾ࡛࡞ࡃࠊほ ኚᩘほ ኚᩘࡢ㛫ᅉᯝ㛵ಀࡀᏑᅾࡍࡿࡶࡢࡶ࠶ࡿࠋ ࡇࡢᅉᯝ㛵ಀࢆ᫂ࡽࡍࡿศᯒἲࡋ࡚ࠊࢢࣛࣇ࢝ࣝ ࣔࢹࣜࣥࢢ㸦GM; Graphical Modeling) (3)ࡸᵓ㐀᪉⛬ᘧࣔࢹࣜ
ࣥࢢ㸦SEM; Structural Equation Modeling) (3, 6-8)ࡀ࠶ࡿࠋ
⩻ࡗ࡚ࡇࢀࡽࡢ᪥ᮏࡀ┤㠃ࡍࡿ♫ⓗ࡞ၥ㢟ࢆ⪃࠼࡚ ࡳࡿࠊᮏ᱁ⓗ࡞㧗㱋♫ྠฟ⏕⋡పୗࡀᘬࡁ㉳ ࡇࡍປാຊேཱྀࡢῶᑡၥ㢟ࡀ࠶ࡿࠋࡇࡢၥ㢟ࡀࡍ࡛⏕ࡌ ࡚࠸ࡿ⌧ሙࡶ࠶ࡾࠊ≉⪁ேㆤタ࠾ࡅࡿㆤ⚟♴ኈ ࡢேᡭ㊊ࡣ῝้࡛ࠊᑵປ⪅ࡢ㐣ᗘ࡞ປാ㈇ᢸࡼࡿධ ᡤ⪅ࡢࢧ࣮ࣅࢫపୗ࡞ࡢၥ㢟ࡀ㉳ࡁ࡚࠸ࡿ(2)ࠋࡑࡢ ࡋ࡚ࠊධᡤ⪅ࡀኪ㛫╀ࢀࡎ࣋ࢵࢻࢆ㞳ᗋࡍࡿࠊᙜ┤ ົࡢㆤኈࡀࡑࡢᑐᛂ㏣ࢃࢀࠊᮏ᮶ࡢධᡤ⪅ࢆୡヰ ࡍࡿࡓࡵࡢ㛫ࡀ๐ࡽࢀࡿ࠸࠺ၥ㢟ࡀᣲࡆࡽࢀࡿࠋ ࡑࡇ࡛ࠊධᡤ⪅ࡼࡾࡼ࠸╧╀ࢆࡗ࡚ࡶࡽ࠼ࢀࡤࠊ ㆤ⚟♴ኈࡢປാ㈇ᢸࢆᑡࡋ࡛ࡶ㍍ࡃ࡛ࡁࡿ⪃࠼ࡓࠋᮏㄽ ᩥ࡛ࡣࠊ⪁ேㆤタ࡛⏝ࡉࢀ࡚࠸ࡿㆤࢧ࣏࣮ࢺᶵჾ ࡽᚓࡽࢀࡿ⎔ቃࢹ࣮ࢱ╧╀ࡢ῝ࡉࡢᅉᯝ㛵ಀࢆศᯒ ࡍࡿࡇ࡛ࠊࡼࡾࡼ࠸╧╀ࢆᚓࡿࡓࡵࡢ᮲௳ࢆぢࡘࡅࡿࡇ ࢆ┠ⓗࡋࡓࠋࡑࢀࡼࡾࠊධᡤ⪅ྛேࡀࡼࡾࡼ࠸╧╀ ࢆᚓࡽࢀࡿࡼ࠺࡞ࡾࠊᗣ࡞⏕άࢆ㏦ࡿࡇࡀ࡛ࡁࡿ ࡶࠊධᗋᚋࡢᕠᅇࢱ࣑ࣥࢢࢆ㐺ษ࡛ࡁࠊ୍ேᙜࡓ ࡾࡢㆤ⚟♴ኈࡿປാ㈇ᢸࢆ㍍ῶࡍࡿࡇࡀྍ⬟ ࡞ࡿᮇᚅ࡛ࡁࡿࠋ ᮏㄽᩥ࠾ࡅࡿࢹ࣮ࢱࡢศᯒࡣࠊ⤫ィゎᯒ⎔ቃ R(4)ࢆ ⏝࠸ࡓࠋR ࡣࣇ࣮࢙࡛ࣜ࢘࠶ࡾࠊᩍ⫱ⓗࡶࡇࡢゝㄒࡢ ⏝ࡀ᭷┈࡛࠶ࡿ⪃࠼ࡽࢀࡿ(5)ࠋᅉᯝ㛵ಀࡢศᯒᡭἲ ࡋ࡚ࡣᵓ㐀᪉⛬ᘧࣔࢹࣜࣥࢢ㸦SEM㸧ࢆ᥇⏝ࡋࠊR ࡢ lavaan ࣃࢵࢣ࣮ࢪ(9)ࢆ⏝࠸࡚ᐇࡋࡓࠋࡇࡢࣃࢵࢣ࣮ࢪࡣ⌧ᅾࡶ 㛤Ⓨࡀ⥆࠸࡚࠸ࡿࣃࢵࢣ࣮ࢪ࡛ࡣ࠶ࡿࡀࠊศᯒ⤖ᯝࡣཝᐦ ࡛ṇ☜࡛࠶ࡿศᯒᛶ⬟ࡘ࠸࡚ࡣᐃホࡀ࠶ࡿ(7)ࠋࡲࡓࠊ ࡇࡢࣃࢵࢣ࣮ࢪ࡛᥇⏝ࡉࢀ࡚࠸ࡿࣔࢹࣝグ㏙ᩥἲࡶ⡆༢࡛ ࠶ࡿࡶࠊᵝࠎ࡞ࣔࢹࣝࢆ⾲⌧࡛ࡁࡿỗ⏝ᛶࡀ࠶ࡿࠋ
㸰㸬ᅉᯝศᯒ⏝࠸ࡿࢹ࣮ࢱࡢ㑅ᢥ
ᮏㄽᩥ࡛ࡣࠊASD ♫〇ࡢㆤタྥࡅ╧╀ぢᏲࡾࢭࣥࢧ ࣮ࠕࡲࡶࡿ㹼ࡢࠖ(10)ࢆᐇ㝿タ࡛⏝ࡋࡓࢹ࣮ࢱࡢᥦ౪ 1 㟁Ꮚሗࢩࢫࢸ࣒ᕤᏛ⣔ ࠛ861-1102 ⇃ᮏ┴ྜᚿᕷ㡲ᒇ 2659-2Faculty of Electronics and Information Systems Engineering, 2659-2 Suya, Koshi-shi, Kumamoto, Japan 861-1102 2 ࣮ࣜ࣋ࣛࣝࢶ⣔
ࠛ861-1102 ⇃ᮏ┴ྜᚿᕷ㡲ᒇ 2659-2 Faculty of Liberal Arts,
2659-2 Suya, Koshi-shi, Kumamoto, Japan 861-1102 * Corresponding author:
E-mail address: oishi@kumamoto-nct.ac.jp (N. Oishi).
㏿ ሗ
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╧╀ぢᏲࡾࢭࣥࢧ࣮ࢹ࣮ࢱࡢᵓ㐀᪉⛬ᘧࣔࢹࣜࣥࢢࡼࡿᅉᯝศᯒ㸦▼࣭ᒣᮏ࣭▼⏣࣭ᮧୖ㸧
5HVHDUFK5HSRUWVRI 1,7.XPDPRWR&ROOHJH 9RO ࢆཷࡅ࡚ศᯒࢆ⾜ࡗࡓࠋࡇࡢ⨨ࡣㆤタࡢ࣋ࢵࢻྲྀ ࡾࡅࠊẼ ࠊ‵ᗘࠊẼᅽࠊ↷ᗘࠊ⏕యሗ㸦ᚰᢿᩘࠊ ྾ᩘࠊ╧╀ࣞ࣋ࣝ㸧ࠊධᗋࢹ࣮ࢱ㸦㉳ᗋࠊධᗋࠊ㞳ᗋ㸧ࢆほ ࡋࠊࢡࣛ࢘ࢻࢵࣉ࣮ࣟࢻࡍࡿࠋ ᐃ㛫㝸ࡣ1 ศ㛫㝸 ࣮ࣔࢻ5 ศ㛫㝸࣮ࣔࢻࡢ 2 ࡘࡢ ᐃ࣮ࣔࢻࡀ࠶ࡾࠊ1 ࣧ ᭶ศࡢࢹ࣮ࢱࡀࢡࣛ࢘ࢻୖ⮬ືⓗಖᏑ࣭ಖ⟶ࡉࢀࡿࠋ ᅇࡢศᯒࡢࡓࡵ⏝ពࡋࡓࢹ࣮ࢱࡣ1 ேศ㛵ࡍࡿࠊ 5 ศ㛫㝸ࡢ ᐃ࣮ࣔࢻ࡛ᚓࡽࢀࡓᐊ 㸦WP㸧ࠊ‵ᗘ㸦KP㸧ࠊ Ẽᅽ㸦DW㸧ࠊ↷ᗘ㸦LO㸧ࠊ1 ศ๓ࡢ྾ᩘ㸦UU㸧ࠊ1 ศ๓ࡢᚰᢿ ᩘ㸦KU㸧࠾ࡼࡧ╧╀ࣞ࣋ࣝ㸦VV㸧ࡢ 7 ಶࡢほ ኚᩘ࡛࠶ࡿ 㸦ᣓᘼෆほ ኚᩘྡࢆ♧ࡍ㸧ࠋVV ࡣࣞ࣋ࣝ 1 ࡽࣞ࣋ࣝ 4 ࡢ4 ್ࢆྲྀࡿࠋࡑࡢࡢほ ኚᩘࡣࠊṇࡢᐇᩘ࡛࠶ࡿࠋศ ᯒ⏝࠸ࡓ⣔ิࢹ࣮ࢱࡣḞᦆ್ࡢ࠶ࡿⅬࢆ㝖ࡃ 2926 Ⅼ㸦⣙10 ᪥ศ㸧ࡢࡶࡢ࡛࠶ࡿࠋ ᅗ㸯⣔ิࢹ࣮ࢱࡢ୍㒊ࡢほ ኚᩘࡢ࠺ࡕࠊ࠶ࡿ้ ࡽ480 ศ㛫㸦8 㛫㸧ࡢࢹ࣮ࢱࢆᢤ⢋ࡋ࡚♧ࡍࠋVV ࡸ UU ࠾ࡼࡧKU ࡣ್ࡢኚࡀ⃭ࡋࡃࠊ୍ぢࡍࡿࣛࣥࢲ࣒࡛࠶ ࡿࡢࡼ࠺ࡉ࠼ぢ࠼ࡿࠋ୍᪉ࠊKP ࡣኚࡀᑡ࡞ࡃࠊ࠶ࡿ ้ࢆቃࡋ࡚㧗್ࡽప್ኚࢃࡗ࡚࠸ࡿࡇࡀศ ࡿࠋ 㸵ಶࡢほ ࢹ࣮ࢱ㛫ࡢ㛵ಀࢆぢࡿࡓࡵࠊ┦㛵ᅗ⾜ิࢆ ᅗ㸰♧ࡍࠋUU ࡣ 0 ࡢ್ࡀ࠶ࡿࡀࠊࡇࢀࡣ╧╀↓྾ ࡞ࡢೃࢆ♧ࡍ⪃࠼ࡽࢀࡿࡓࡵࠊእࢀ್ࡋ࡚ࡢฎ ⌮ࡣࡋ࡚࠸࡞࠸ࠋྛኚᩘ㛫ࡣᙉ࠸┦㛵ࢆぢࡿࡇࡀ࡛ࡁ ࡎࠊVV ྛኚᩘ㛫ࡢ┦㛵㛵ಀࢆࡇࡢ⾜ิࡽㄞࡳྲྀࡿࡇ ࡣ㞴ࡋ࠸ࠋ ࡇࡢࡼ࠺ VV ࡢ㛵ಀᛶࡀุ↛ࡋ࡞࠸ 7 ಶࡢほ ኚ ᩘࡢࡍ࡚ࢆࡗ࡚ᅉᯝศᯒࢆࡋࡓࡇࢁࠊࣔࢹࣝࡢ㐺ྜ ᗘᣦᶆࡀⰋ㐺ྜࢆ♧ࡉ࡞ࡗࡓࠋ㸦࠼ࡤᚋ㏙ࡢᣦᶆ࡛ࡣࠊ AGFI = 0.936ࠊRMSEA = 0.103 ࡞㸧ࠋࡑࡢࡓࡵࠊศᯒ ⏝ࡍࡿኚᩘࢆῶࡽࡍࡇࡋࡓࠋኚᩘ㑅ᢥ(11)ࡣࢫࢸࢵࣉ ࣡ࢬἲ(12) ࢆ⏝࠸ࠊḟᘧࡢ㉥ụሗ㔞ᇶ‽㸦AIC ; Akaike’s Information Criterion㸧ࢆࣔࢽࢱ࣮ࡋ࡞ࡀࡽࠊ᥇⏝ࡍࡿほ ኚ ᩘࢆỴᐃࡋࡓ(12)ࠋ AIC ൌ m ൈ lnσ ቄ௬ሺሻି௬ಶೄሺሻቅ మ సభ ୫ 2 ... (㸯) ݊:ࢧࣥࣉࣝᩘ m:ㄝ᫂ኚᩘࡢᩘ ݕሺሻ:i ␒┠ࡢࢧࣥࣉࣝ࠾ࡅࡿ┠ⓗኚᩘࡢ್ ݕாௌ்ሺሻ: i ␒┠ࡢࢧࣥࣉࣝ࠾ࡅࡿ┠ⓗኚᩘࡢ᥎ᐃ್ ᐇ㝿ࡣࠊ┠ⓗኚᩘࢆVV ࡋ࡚ࠊR ࡢ step 㛵ᩘࢆ⏝࠸࡚ ᐇࡋࡓࠋࡑࡢ⤖ᯝࠊ⾲㸯♧ࡍࡼ࠺ࠊLO ࠊKP ࠊKU ࠾ ࡼࡧ UU ࡢ 4 ಶࡢኚᩘࢆ᥇⏝ࡋ࡚ VV ࢆ⾲ࡋࡓሙྜ AIC ࡀ᭱ᑠ࡞ࡿࡇࡀศࡗࡓࠋࡇࡢ⤖ᯝࡽࠊ┠ⓗኚᩘࢆ ྵࡵ࡚5 ಶࡢほ ኚᩘࢆ⏝ࡋ࡚ศᯒࢆ⾜࠺ࡇࡋࡓࠋ
㸱㸬₯ᅾኚᩘࡢᑟධ
ୖ㏙ࡢ5 ಶࡢኚᩘࡢ⫼ᚋ࠶ࡿᵓᡂᴫᛕࢆ⾲ࡍࡓࡵࠊ ₯ᅾኚᩘࢆᑟධࡍࡿࠋࡑࡢಶᩘࢆ᳨ウࡍࡿࡓࡵࠊほ ኚ ᩘ㛫ࡢ┦㛵ಀᩘ⾜ิࡢᅛ᭷್ࢆồࡵࠊᅗ㸱ࡢࢫࢡ࣮ࣜࣉࣟ ࢵࢺࢆᚓࡓࠋࡇࡢᅗࡽࠊ➨3 ᅛ᭷್௨㝆ࡣࡰ࡞ࡔࡽ ࡞᭤⥺࡞ࡿࡢ࡛ࠊ₯ᅾኚᩘࡢಶᩘࡣ2 ಶࡋࡓࠋ࠾࠾ࡼ ࡑ1 ௨ୖࡢ್ࢆᣢࡘᅛ᭷್ࡢಶᩘࡶ 2 ಶ࡛࠶ࡿࡢ࡛ࠊ࢝ ࢨ࣮ᇶ‽(7)ࡶྜ⮴ࡋ࡚࠸ࡿࠋ ࡑࡇ࡛ࠊ2 ಶࡢ₯ᅾኚᩘࡀ⾲ࡍᵓᡂᴫᛕࠊࡑࢀࡒࢀࡢ ₯ᅾኚᩘ⤖ࡧࡅࡿほ ኚᩘࢆ௨ୗࡢࡼ࠺ࡍࡿࠋ I㸦ᐊෆ⎔ቃ㸧㸸↷ᗘ㸦LO㸧࠾ࡼࡧ‵ᗘ㸦KP㸧 I㸦ࣂࢱࣝࢧࣥ㸧㸸ᚰᢿᩘ㸦KU㸧࠾ࡼࡧ྾ᩘ㸦UU㸧 ⾲㸯 ࢫࢸࢵࣉ࣡ࢬἲࡼࡿኚᩘ㑅ᢥࡢ㐣⛬ ⟬ἲ 㑅ᢥࡋࡓኚᩘ AIC ⟬ἲ ኚᩘῶ ᑡἲ Ў KUUUWPKPLODW 775.55 KUUUWPKPLO 774.22 KUUUKPLO 773.84 ኚᩘቑ ῶἲ Ĺ LOKUUU 780.23 LOKU 817.61 LO 829.55 ࡞ࡋ 990.38 ᅗ㸯 ほ ࢹ࣮ࢱࡢ⣔ิ⾲♧㸦ᢤ⢋㸧 WLPH>K@ VO HHS VW DJ H WLPH>K@ KHDU W UD WH > EHDW V P @ WLPH>K@ UH VS LUD WLR Q UD WH > WLP HV P @ WLPH>K@ KX P LG LW\ > @ ᅗ㸰 ほ ࢹ࣮ࢱࡢᩓᕸᅗ⾜ิ VV KU UU WP KP LO DW ― 84 ―⇃ᮏ㧗➼ᑓ㛛Ꮫᰯ ◊✲⣖せ ➨ ྕ㸦㸧
㸲㸬ᥦࣔࢹࣝࣃࢫಀᩘ
ᅉᯝ㛵ಀࢆ⾲ࡍࡣࠊከ㔜ᣦᶆࣔࢹࣝࡸࠊከ㔜ᣦᶆከ㔜 ཎᅉ㸦MIMIC ; Multiple Indicator Multiple Cause㸧ࣔࢹࣝࠊ㒊 ศⓗ᭱ᑠ㸦PLS ; Partial Least Squares㸧ࣔࢹࣝ࡞ࡀ࠶ ࡿ(7)ࠋᅇ᫂ࡽࡋࡓ࠸ࡢࡣࠊほ ኚᩘ࡛࠶ࡿ╧╀ࣞ࣋ ࣝ㸦VV㸧ࠊࡢ₯ᅾኚᩘࡸほ ኚᩘࡀ࠺ᙳ㡪ࢆཬࡰࡋ࡚ ࠸ࡿ࠸࠺ࡇ࡛࠶ࡿࡢ࡛ࠊMIMIC ࣔࢹࣝࡸ PLS ࣔࢹ ࣝࡀ㐺ࡋ࡚࠸ࡿࡽࠊᅗ㸲♧ࡍࣔࢹࣝࢆᥦࡍࡿࠋᐊෆ ⎔ቃ㸦I㸧ࡀࣂࢱࣝࢧࣥ㸦I㸧ᙳ㡪ࢆཬࡰࡍࡇࡣ࠶ ࡲࡾ⪃࠼ࡽࢀࡎࠊࡑࡢ㏫᪉ྥࡢᙳ㡪ࡶ⪃࠼ࡃ࠸ࠋࡑࡢࡓ ࡵࠊࡇࡢࣔࢹࣝ࠾࠸࡚ࠊI I ࡣ࠸┤ࡋ࡚࠸ࡿ ௬ᐃࡋࡓࠋࡇࡢࣔࢹࣝࡢࣃࢫಀᩘ࠾ࡼࡧVV ⤖ࡧ࠸࡚࠸ ࡿㄗᕪศᩓࢆồࡵࡿࡓࡵࡢ ᐃ᪉⛬ᘧᵓ㐀᪉⛬ᘧࡣḟࡢ ࡼ࠺࡞ࡿࠋ ቐ ݂1 ൌ ߙଵή ݈݅ ߙଶή ݄݉ ݂2 ൌ ߙଷή ݄ݎ1 ߙସή ݎݎ1 ݏݏ ൌ ߛଵή ݂1 ߛଶή ݂2 ݁ଵ ... (㸰) ࡇࡇ࡛ࠊI I ࡣෆ⏕ኚᩘ࡛ࡣ࠶ࡿࡀࠊㄗᕪኚᩘࢆకࡗ ࡚࠸࡞࠸ࠋࡇࢀࡣPLS ࣔࢹ࡛ࣝࡣᕥ㎶⨨ࢀࡓෆ⏕ኚᩘ ࡛࠶ࡿ₯ᅾኚᩘࡀྑ㎶ࡢእ⏕ኚᩘࡼࡗ࡚ᐃ⩏ࡉࢀࡿ⪃ ࠼ࡿࡓࡵ࡛࠶ࡿࠋࡘࡲࡾࠊᐊෆ⎔ቃ㸦I㸧ࡣ↷ᗘ㸦LO㸧‵ ᗘ㸦KP㸧ࡼࡾᐃ⩏ࡉࢀ࡚࠸ࡿᵓᡂᴫᛕᤊ࠼ࠊྠᵝࠊ ࣂࢱࣝࢧࣥ㸦I㸧ࡣᚰᢿᩘ㸦KU㸧྾ᩘ㸦UU㸧ࡼ ࡗ࡚ᐃ⩏ࡉࢀࡿᵓᡂᴫᛕᤊ࠼࡚࠸ࡿࠋࡑࡢࡓࡵࠊI ࡶ I ࡶㄗᕪኚᩘࢆకࢃ࡞࠸ࠋ (㸰)ᘧࢆࠊlavaan ࡢࣔࢹࣝグ㏙ᩥἲ࡛グ㏙ࡋࠊlavaan ࣃࢵ ࢣ࣮ࢪࡢsem 㛵ᩘࢆ⏝࠸࡚ẕᩘࢆ᥎ᐃࡋࡓࠋ᥎ᐃࡣ᭱ᑬ 㸦ML ; Maximum Likelihood㸧᥎ᐃἲࢆ⏝࠸ࡓࠋ࡞࠾ࠊゎᯒ ⏝࠸ࡓほ ࢹ࣮ࢱࡣᶆ‽ࡋࡓࡶࡢࢆ⏝࠸ࡓࠋࡇࡢࢫࢡ ࣜࣉࢺࢆᅗ㸳♧ࡍࠋᶆ‽ࡋࡓẕᩘࡢ᥎ᐃ್ࡣ⾲㸰ࡢࡼ ࠺࡞ࡗࡓࠋ⾲୰࡛ࠊࣃࢫಀᩘȘ1Ș3ࡀ㈇ࡢ್࡞ࡗ࡚ ࠸ࡿࠋࡇࢀࡣࠊ↷ᗘ㸦LO㸧ࡀᙉࡃ㸦᫂ࡿࡃ㸧࡞ࢀࡤᐊෆ⎔ቃ ࡢ್㸦I㸧ࡀᑠࡉࡃ࡞ࡾࠊ㏫ࠊᬯࡃ࡞ࢀࡤᐊෆ⎔ቃࡢ್ࡀ ࡁࡃ࡞ࡿࡇࢆពࡍࡿࠋྠᵝࠊᚰᢿᩘ㸦KU㸧ࡀࡁ ࡃ㸦᪩ࡃ㸧࡞ࢀࡤࣂࢱࣝࢧࣥࡢ್㸦I㸧ࡀᑠࡉࡃ࡞ࡾࠊ ᚰᢿᩘࡀᑠࡉࡃ㸦㐜ࡃ㸧࡞ࢀࡤࣂࢱࣝࢧࣥࡢ್ࡀࡁ ࡃ࡞ࡿࡇࢆពࡋ࡚࠸ࡿࠋࣃࢫಀᩘࡢࡁࡉࡣࠊࡑࡢ್ ࡀࡁ࠸ࠊᙳ㡪ࡀࡁ࠸ࡇࢆ⾲ࡋ࡚࠸ࡿࠋࡇࢀࡽࡢ ࣃࢫಀᩘࡣᅗ㸲ࡶグධࡋࡓࠋ ᥦࣔࢹࣝࡢ㐺ྜᗘᣦᶆ(7)ࢆ⾲㸱♧ࡍࠋGFI㸦Goodness
of Fit Index㸧ࠊAGFI㸦Adjusted GFI㸧࠾ࡼࡧ CFI㸦Comparative Fit Index㸧ࡣほ ኚᩘࡢศᩓᑐࡍࡿࣔࢹࣝࡢㄝ᫂⋡࠸ ࠺ほⅬࡽศᯒࡢ⢭ᗘࢆホ౯ࡍࡿᣦᩘ࡛ࠊ0 ࡽ 1 ࡲ࡛ࡢ ್ࢆྲྀࡾࠊ0.95 ࡼࡾ࡛࠶ࡿⰋ㐺ྜุ᩿ࡉࢀࡿࠋࡇࡢ ್ࡀ1.000 ࡞ࡗ࡚࠸ࡿࡢࡣࠊᥦࣔࢹࣝࡢ⮬⏤ᗘࡀ 0 ࡛ ࠶ ࡿ ࡓ ࡵ ࡛ ࠶ ࡿ ࠋRMSEA 㸦 Root Mean Square Error of Approximation㸧 SRMR㸦Standardized Root Mean Square
⾲㸰 ᶆ‽ࡋࡓẕᩘࡢ᥎ᐃ್ Ș1 Ș2 Ș3 Ș4 Ț1 Ț2 H ࡢศᩓ -0.923 0.238 -0.959 0.274 0.223 0.117 0.928 ᅗ㸱 ኚᩘ㑅ᢥࡢࢫࢡ࣮ࣜࣉࣟࢵࢺ QXPEHURIODWHQWYDULDEOHV HLJH Q YDOXH ᅗ㸲 ᥦࣔࢹࣝࡢࣃࢫᅗ ODYDDQ ࣃࢵࢣ࣮ࢪࢆ⏝࠸࡚ࠊᥦࣔࢹࣝ 6(0 ࢆ㐺⏝ࡍࡿ ኚᩘ㑅ᢥᚋࠊᶆ‽ࡋࡓࢹ࣮ࢱࡀGDWDGDW᱁⣡ࡉࢀ࡚࠸ࡿ 㐺ྜᗘᣦᶆ㸸*),$*),506($&),6505$,&%,& OLEUDU\ODYDDQ PRGHOᅗ ࡢᥦࣔࢹࣝࢆ ODYDDQ ࡢᩥἲ࡛グ㏙ PRGHO IaLOKP IaKUUU II aVV Iaa I Iaa I Iaa I ILWODYDDQVHPPRGHOGDWD GDWDGDWRUWKRJRQDO 7 IL[HG[ 7VWGOY ) VXPPDU\ILWVWDQGDUGL]HG 7 ILW0HDVXUHVILWILWPHDVXUHV FJILDJILUPVHDFILVUPUDLFELF ᅗ㸳 ODYDDQ ࡢࢫࢡࣜࣉࢺ ― 85 ― ⇃ᮏ㧗➼ᑓ㛛Ꮫᰯࠉ◊✲⣖せࠉ➨11ྕ㸦2019㸧
╧╀ぢᏲࡾࢭࣥࢧ࣮ࢹ࣮ࢱࡢᵓ㐀᪉⛬ᘧࣔࢹࣜࣥࢢࡼࡿᅉᯝศᯒ㸦▼࣭ᒣᮏ࣭▼⏣࣭ᮧୖ㸧
5HVHDUFK5HSRUWVRI 1,7.XPDPRWR&ROOHJH 9RO Residual㸧ࡣᐇ㝿ࡢࢹ࣮ࢱࣔࢹࣝࡼࡿண ್ࡢࡎࢀ ࡢᑠࡉࡉ╔┠ࡋࡓホ౯ᣦᩘ࡛ࠊ0.05 ࡼࡾᑠ࡛࠶ࡿⰋ㐺 ྜุ᩿ࡉࢀࡿࠋࡇࡢ್ࡀ0.000 ࡞ࡗ࡚࠸ࡿࡢࡶࠊ⮬⏤ ᗘࡀ0 ࡛࠶ࡿࡓࡵ࡛࠶ࡿࠋ
㸳㸬ศᯒ⤖ᯝࡢゎ㔘
ศᯒࡢ⤖ᯝᚓࡽࢀࡓࣃࢫಀᩘࢆࡶࠊᅗ㸲ࡢᥦࣔࢹ ࣝࡢࣃࢫᅗࢆゎ㔘ࡍࡿࠋᐊෆ⎔ቃ㸦I㸧ࡣ↷ᗘ㸦LO㸧࠾ࡼࡧ ‵ᗘ㸦KP㸧࡛ᐃ⩏ࡉࢀ࡚࠸ࡿࡀࠊࡑࡢࡁࡉࡣ-0.923 0.238 ࡛࠶ࡾࠊᐊෆ⎔ቃࡣ↷ᗘࡁࡃᕥྑࡉࢀࡿࡇࡀศࡿࠋ ࣂࢱࣝࢧࣥ㸦I㸧ࡣᚰᢿᩘ㸦KU㸧࠾ࡼࡧ྾ᩘ㸦UU㸧 ࡛ᐃ⩏ࡉࢀ࡚࠸ࡿࡀࠊࡑࡢࡁࡉࡣ-0.595 0.274 ࡛࠶ࡾࠊ ࣂࢱࣝࢧࣥࡢ್ࡣᚰᢿᩘᕥྑࡉࢀࡿࠋ╧╀ࣞ࣋ࣝ 㸦VV㸧ࡣᐊෆ⎔ቃࡽ 0.223 ࡢᙳ㡪ࢆཷࡅ࡞ࡀࡽࠊࣂࢱࣝ ࢧࣥࡢ್ࡽࡶ0.117 ࡢᙳ㡪ࢆཷࡅ࡚࠸ࡿࡇࡽࠊ╧ ╀ࣞ࣋ࣝࡣࣂࢱࣝࢧࣥࡼࡾࡶᐊෆ⎔ቃࡼࡾࡁࡃ౫ Ꮡࡋ࡚࠸ࡿゝ࠼ࡿࠋ ྛほ ኚᩘLOࠊKPࠊKU ࠾ࡼࡧ UU ࡀ VV ཬࡰࡍᙳ㡪ࡢ ⥲ྜຠᯝࢆ௨ୗぢ✚ࡶࡿࠋ LO Ѝ VV ࡢ⥲ྜຠᯝ㸸-0.9230.223 = -0.206 KP Ѝ VV ࡢ⥲ྜຠᯝ㸸0.2380.223 = 0.053 KU Ѝ VV ࡢ⥲ྜຠᯝ㸸-0.9590.117 = -0.112 UU Ѝ VV ࡢ⥲ྜຠᯝ㸸0.2740.117 = 0.032 ╧╀ࣞ࣋ࣝ᭱ࡶᙳ㡪ࢆ࠼ࡿࡢࡣ↷ᗘ࡛ࠊࡑࡢḟ ࡁ࡞ᙳ㡪ࢆ࠼ࡿࡢࡣᚰᢿᩘ࡛࠶ࡾࠊࡕࡽࡶ㈇ࡢ್࡛࠶ ࡿࠋࡘࡲࡾࠊ㒊ᒇࢆᬯࡃࡍࡿࡇࡀ╧╀ࣞ࣋ࣝࢆୖࡆࡿࡓ ࡵࡣ᭱ࡶຠᯝࡀ࠶ࡾࠊḟᚰᢿᩘࢆᑠࡉࡃࡍࡿࡇࡀຠ ᯝⓗ࡛࠶ࡿゝ࠼ࡿࠋ㸴㸬ࡲࡵ
╧╀ࣞ࣋ࣝᙳ㡪ࢆཬࡰࡍࡓࡃࡉࢇࡢほ ኚᩘࡢ୰ ࡽࠊࢫࢸࢵࣉ࣡ࢬἲࡼࡾほ ኚᩘࢆ㑅ᢥࡍࡿࡇ࡛ࠊ ᵓ㐀᪉⛬ᘧࣔࢹࣜࣥࢢࡼࡿᅉᯝ㛵ಀࡢศᯒࢆ⾜࠺ࡇࡀ ࡛ࡁࡓࠋศᯒ⤖ᯝࡽࡣࠊࣂࢱࣝࢧࣥࡼࡾࡶᐊෆ⎔ቃ ࡀࡼࡾࡁࡃ╧╀ᙳ㡪ࡍࡿࡶࠊ῝࠸╧╀ࢆᚓࡿࡓ ࡵࡣࠊ㒊ᒇࢆᬯࡃࡋࡓୖ࡛ࠊⴠࡕ╔࠸࡚ࡺࡗࡓࡾࡋࡓ 㞺ᅖẼࡍࡿ࡞ࡼࡾᚰᢿᩘࢆᑠࡉࡃࡍࡿࡼ࠸ࡇࡀ ศࡗࡓࠋ ᅇࡣࣃࢵࢣ࣮ࢪlavaan ࢆ⏝࠸࡚ศᯒࢆ⾜ࡗࡓࡀࠊᵓ㐀 ᪉⛬ᘧࡢグ㏙ࡀᐜ࡛᫆ࠊR ࡼࡾᅉᯝศᯒࡀྜ⡆༢ᐇ ⾜ྍ⬟࡛࠶ࡿࡇࡶ☜ㄆ࡛ࡁࡓࠋR ࡼࡾࢹ࣮ࢱศᯒࢆ⾜ ࠺㝿ࡣࠊlavaan ࡼࡿᅉᯝศᯒࡶᗈࡃᬑཬࡍࡿࡼ࠸ ⪃࠼࡚࠸ࡿࠋ ᚋࡢㄢ㢟ࡋ࡚ࠊᅇᥦࡋࡓࣔࢹ࡛ࣝࡣ╧╀ࣞ࣋ࣝ ࡀ῝ࡃ࡞ࡗ࡚࠸ࡃ㐣⛬ࡘ࠸࡚ࡣ᫂ࡽࡋ࡚࠸࡞࠸ࡓ ࡵࠊᡂ㛗᭤⥺ࣔࢹࣝࡼࡾ╧╀ࣞ࣋ࣝࡀ῝ࡃ࡞ࡗ࡚࠸ࡃ㐣 ⛬ࢆ᫂ࡽࡋࡓ࠸ࠋ 㸦௧ඖᖺ9 ᭶ 19 ᪥ཷ㸧 㸦௧ඖᖺ12 ᭶ 5 ᪥ཷ⌮㸧 ཧ⪃ᩥ⊩ (1) ⥲ົ┬㸸ࠕᖹᡂ29 ᖺ∧ሗ㏻ಙⓑ᭩ࠖ, pp.52-62㸦2018㸧 (2) ཌ⏕ປാ┬㸸ࠕᖹᡂ 30 ᖺ∧ཌ⏕ປാⓑ᭩㸫㞀ᐖࡸ Ẽ࡞ྥࡁྜ࠸ࠊ࡚ࡢேࡀά㌍࡛ࡁࡿ♫㸫ࠖ, pp.369-398㸦2019㸧 (3) ᑠᓥ㝯▮ࠊᒣᮏᑗྐ㸸ࠕExcel ࡛Ꮫࡪ ඹศᩓᵓ㐀ศᯒ ࢢࣛࣇ࢝ࣝࣔࢹࣜࣥࢢࠖ, pp89-179, ࣮࣒࢜♫ (2013).(4) “The R Project for Statistical Computing”, https://www.r-project.org/ , Retrieved Sep. 10, 2019㸬
(5) ▼⏣᫂⏨,ᒣᮏ┤ᶞ,▼ಙᘯ,ᮧୖ⣧㸸ࠕከḟඖࢹ࣮ࢱ ศゎࡢᡭἲࢆ⏝࠸ࡓ❧యࣃࢬࣝࡢゎἲ(ࡑࡢ 4)ࠖ㸪ึ➼ ᩘᏛ㸪➨86 ྕ㸪pp.20-24(2019)㸬 㸦⥅⥆୰㸧 (6) ᒣ⏣๛ྐࠊᮡ⃝Ṋಇࠊᮧ⣧୍㑻㸸ࠕR ࡼࡿࡸࡉࡋ ࠸⤫ィᏛࠖ㸪pp.309-319, ࣮࣒࢜♫ (2008)㸬 (7) ㇏⏣⚽ᶞ㸸ࠕඹศᩓᵓ㐀ศᯒ [R ೫] 㸫ᵓ㐀᪉⛬ᘧࣔ ࢹࣜࣥࢢ㸫ࠖ㸪pp.18-195, ᮾிᅗ᭩ (2014)㸬 (8) ㇏⏣⚽ᶞࠊ๓⏣ᛅᙪࠊᰗᬕኵ㸸ࠕཎᅉࢆࡉࡄࡿ⤫ィ Ꮫ 㸫 ඹ ศ ᩓ ᵓ 㐀 ศ ᯒ ධ 㛛 ࠖ㸪pp.99-132, ㅮ ㄯ ♫ (1992)㸬
(9) Yves Rosseel : “The lavaan tutorial”, pp.8-15, Ghent University(2019). (10)ࠕࡲࡶࡿ㹼ࡢࠖ, http://mamoruno.miel.care/ , Retrieved Sep. 10, 2019. (11)Ỉ㔝ḯྖ㸸ࠕከኚ㔞ࢹ࣮ࢱゎᯒㅮ⩏ࠖ, pp.61-69, ᮅ ᭩ᗑ㸦1996㸧 (12)ࠕAIC ࢆࡗࡓኚᩘ㑅ᢥࠖ, http://www.hnami.or.tv/d/ index.php?radvance , Retrieved Sep. 10, 2019㸬
⾲㸱 ᥦࣔࢹࣝࡢ㐺ྜᗘᣦᶆ
GFI AGFI CFI RMSEA SRMR
1.000 1.000 1.000 0.000 0.000
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